How long will a 5lb co2 tank last

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Off the top of my head, i'd say about a month. If this is one of those 'disposable' cylinders with the little adapter to thread it in to, you can always look at getting a 'paintball' co2 tank and hooking that up with a 'remote line' and a thread adapter. The reason i suggest this, is that a 20oz CO2 tank fill will usually cost you about $6-8 ...and conversely...if it doesnt last all that long. I'm looking for alternatives for co2... I mean, honestly, if I used Compressed air, I can get it to 250 psi in that 2.5lb cylinder. it would save me a 30-45 minute drive into town to get it filled if I have to do it somewhat often....and I could do repeated 250psi fills pretty much for free ...I have two smaller kegerators that use 5lb CO2 tanks and I just bought a larger 20lb tank for a bigger freezer. I can get the tanks filled for $12.50 each plus 50 cents a pound. So 5lb tanks are $15, but 20lb tanks are only $22.50. ... Last edited by a moderator: Oct 23, 2018. Reply. R. reversepivot Member. Joined Jan 28, 2016 Messages 5 ...How long does CO2 last? 779 Views 7 Replies 7 Participants Last post by Urkevitz, Feb 23, 2009 Jump to Latest C. Characins Discussion starter ... I've been considering getting presurrized CO2 for a while now for my 46g 1.8wpg T5 heavily planted tank. ...How long should a 10# CO2 tank last?I'm feeding CO2 to two tanks, a 20 gallon and a 40 gallon (60 gallon filled 2/3). It's a 5lb cylinder and I'm using a inline atomizer on the 20 gallon and an in-tank diffuser in the 40 gallon. Both have drop checkers and are typically a light green color (lighter than lime green but fish are tolerating it).

Dave10910. 69 posts · Joined 2011. #9 · Feb 1, 2012. Yeah if you make sure that there are no leaks it'll definitely last longer. If an efficient reactor is used a 20oz tank might just last 3 months or more. Overall though a 5# or even a 20# is much easier in the long run and will last quite some time on an aquarium that small.Off the top of my head, i'd say about a month. If this is one of those 'disposable' cylinders with the little adapter to thread it in to, you can always look at getting a 'paintball' co2 tank and hooking that up with a 'remote line' and a thread adapter. The reason i suggest this, is that a 20oz CO2 tank fill will usually cost you about $6-8 ...Specific Aspects of a Planted Tank. Equipment. How long will 5lb CO2 Cylinder last for a 45 gallon? Jump to Latest Follow 1K views ...How Long Does A Co2 Tank Last - Co2 Size Chart Here we're discussing in GREAT DETAIL, and over delivering with info, how long a co2 tank lasts.We go into de...The average industrial supply tank of argon gas, at around 250 cubic feet, will last about 10 hours at a 20 – 25 cubic feet per hour flow rate. Most household tanks are between 60 and 80 cf, and at a 20 cfh flow rate will last around 3 to 4 hours. However, the lifespan of your argon tank during TIG welding may vary as it depends mainly on ...We may earn a commission for products purchased through links on this page5 lb. Aluminum Co2 Tank for Kegerator and Draft Beer Dispensing Sale $78.20. View Item. BF B5-RED. 5 lb. Aluminum CO2 Tank with Electric Red Epoxy Finish Sale $88.44. or. Buy in monthly payments with Affirm on orders over $50. View Item. CC B5N-580. 15 Cu. Ft. Aluminum Nitrogen Air Tank with Sleek Black Epoxy Finish Sale $101.97.Read the tank's label to determine weight (60L is around 438grams). Grab a wrench and unscrew the top (slowly to let any excess gas leak out). Use kitchen scale to measure empty tank (around 500 grams with the top valve removed). Fill with dry ice (I use a 3D printed funnel to help), use kitchen scale to weigh the tank as you add more dry ice ...

The lifespan of a 5-lb CO2 tank on a kegerator can vary greatly depending on the specific use and the settings of the beer draft system. Generally speaking, kegerators use between 2-6 pounds of CO2 per month. Therefore, a 5-pound CO2 tank will last an average of 2-6 months.A 20lb propane tank contains 430,000 BTU. To determine how long it will last on a firepit, you divide the figure by your fire pit’s BTU rating. For instance, the Endless summer firepit would last for; 430,000/50,000-=8.6 hours with the 20ln propane tank. You can get more usage time from your 20lb tank by reducing or keeping the flame low this ...At a gas flow rate of 20 ft3/hr (standard small MIG gas flow rate, give or take a little bit), a 20 ft3 tank will last one hour. The 80 ft3 tank will last 4 hours. To get 8 hours of arc time from that 20 ft3 tank, you'll have to refill it -another- 4 times. Drive back to the LWS, refill/exchange the tank, drive home.Smaller tanks, such as 2.5 lb or 3 lb tanks, are often used for portable kegerators or for smaller keg sizes. Larger tanks, such as 50 lb or 100 lb tanks, are primarily used for commercial applications. When selecting the size of your CO2 tank, consider your usage frequency, keg size, space constraints, and portability needs.

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CO2 Cylinder For a 40gallon aquarium tank, a 5lb cylinder lasts for around 3-4 months at a good injection rate. Is co2 good for aquarium fish? CO2 plays a vital role in the life of fish Too much or too little will not only harm the fish but may lead to the untimely death. Fish produce carbon dioxide during respiration. Too much CO2 in the water ...A 5lb CO2 tank can typically dispense between 6-8 half barrel kegs, assuming it is full. A half barrel keg holds 15.5 gallons of beer, so you can dispense between 93.0 and 124.0 gallons. Of course, the number of kegs you can dispense will depend on a variety of factors, including the temperature of the environment the tank is stored in, the ...97 posts · Joined 2023. #1 · Feb 3, 2024. Hello folks, I got a 3ltr co2 cylinder with regulator and solenoid valve. if i use it @1bps for 5hrs a day jow long should it last? also if the co2 bubbles coming out of the diffuser is less. i need to clean the diffuser? (haven't cleaned it since setup more than 6months) Like.When cal co2 demand remember to fig in 450-550ppms of standard co2 air volume. 6. Make sure to have ample fans pushing the air around the room (co2 is heavier than air) 7. A 20 pound tank will last 7 days at 1500ppm (950ppm from the tank) 11 hours a day for a room that is 450 cubic ft---10'x10'x4.5'.Generally speaking, a tank of argon gas will last for around 10-12 hours of welding time. However, if you are using a higher flow rate or a different type of electrode, your tank may not last as long. Assuming you’re using a standard argon tank and welding at 20 amps, you can expect to get approximately 11 hours of welding time out of a ...Its a 5 pound tank. in this thread in this sub-forum in the entire site. Advanced Search Cancel Login / Join. What's New; Forum Listing; Products; ... how long does ur co2 gas last. 2629 Views 30 Replies 18 Participants Last post by gotcheaprice, ...

Just curious. My first tank lasted a week, so I found the silly leaks and fixed them. But I'm still wondering about how long a 5lb tank "should" last. I have a five gallon corny set up. I understand that different people carbonate to different levels, just looking for a general idea...Last one. 6 sold. Sponsored. 5LB CO2 Tank Aluminum Gas Cylinder For Kegerator Keezer USA DOT CGA320 Valve. Opens in a new window or tab. Brand New. ... 5lb CO2 Tank Wall Anchor Mounting Bracket with Adjustable Steel Chain Hook Latch. Opens in a new window or tab. Brand New. $13.99. Save up to 10% when you buy more.Brand new aluminum 5 lb CO2 tank made from high strength aluminum alloy and high quality CGA320 valves. Because it is made of aluminum rather than steel you can feel confident that it won't rust. It's called a 5 lb tank because it holds 5 lbs of compressed (liquified) CO2. 5 lbs of CO2 is enough to dispense about 8 to 9x 5-gallon kegs of ...How many kegs can be dispensed from a CO2 tank? A 5-lb CO2 tank will last between 6-8 half barrels or full kegs before it needs to be filled. A 10-lb CO2 tank will dispense 10-13 full kegs per fill. This number can be higher or lower based on how often you’re using your kegerator, the level of carbonation, and if your system is properly balanced.I have a 29 gallon tank how long will a 5 lb CO2 tank last me and how many bubbles per second? Should I get a bigger tank or should I stick with the…CO2 Cylinder For a 40gallon aquarium tank, a 5lb cylinder lasts for around 3-4 months at a good injection rate. Is co2 good for aquarium fish? CO2 plays a vital role in the life of fish Too much or too little will not only harm the fish but may lead to the untimely death. Fish produce carbon dioxide during respiration. Too much CO2 in the water ...A 5-lb CO2 tank will last between 6-8 half barrel, or full kegs, before it will need to be filled. A 10-lb CO2 tank will dispense between 10-13 full kegs per fill. Q.The regulator controls the flow of CO2 into the kegerator. Using a wrench, carefully loosen and remove the nut or collar that secures the regulator to the CO2 tank. Turn the nut counterclockwise to loosen it. Once the nut is loosened, gently pull the regulator away from the CO2 tank.Open your 15 pound tank, this lasts for about 30 seconds. Your 20 pound tank is going to last for about 40 seconds, 20 pound is very common with special effects. Co2 special effects and Co2 stage effects. These 20 pound, 35 pound, 50, 75 100 is what they normally use on stage effects.This dependable 5 lb aluminum CO2 air tank provides the right amount of pressure to your gas lines. Made of high-strength aluminum alloy, this CO2 air tank is lighter than steel and will not rust. Measuring 18 inches tall and 5.25 inches wide, the CO2 cylinder holds up to 5 lbs of CO2, which will last for roughly 5-7 half kegs.

A 5lb CO2 tank will carbonate and dispense approximately 30 gallons of beer (around 6 x 5 gallon Corny Kegs). If you're dispensing already carbonated commercial beer, a 5lb CO2 tank will last longer than this. It's recommended that you check all connections for leaks using a sponge with soapy water when installing a new CO2 tank. Size: ...

How long will CO2 last? 1360 Views 5 Replies 5 Participants Last post by airborne_r6, ... · May 14, 2009. Add to quote; Share Only show this user. I was wondering if there is a mathematical way to figure out how long a 5lb co2 tank would last given a static number of bpm. Is there a way to measure how much co2 a bubble represents in a tank ...Oct 23, 2022 ... ... 5lb tank holds 2268g of CO2, divide by 16g…. So the 5lb tank will do 141.75 bottles. At 1 per day average, that should last around 4.75 ...Hey guys I have a 120 gal tank, approx how long would a 3 lb co2 tank last?? in this thread in this sub-forum in the entire site. Advanced Search Cancel Login / Join. What's New; Forum Listing; Products; ... 3lb Co2 tank how long will it last?? 120 gallon tank. 2100 Views 7 Replies 6 Participants Last post by Betowess, Mar 9, 2006. W.Recertified 5 lb Steel CO2 Cylinder. $ 42.80. Compact recertified 5 lb steel CO2 cylinder in a convenient size for beverage dispensing, industrial, welding, scientific, hydroponics, aquariums and special effects. Add to cart. *Shipping is estimated in cart. SKU: Recon5LBSTVLV GTIN: 713331085591.How long should a 5lb CO2 tank last? I feel like I'm going through these things at a totally unreasonable rate. I've completely depleted two by carbing 3 kegs and serving maybe …The cylinder should have its tare weight stamped on it, which is the weight of the tank when empty. Subtract this from the current weight and you have the weight of CO2 in the cylinder. The "pounds" rating of a CO2 tank is how many pounds of CO2 they hold. A 5 lb cylinder might have 7.5lb tare weight, and would weigh 7.5lbs when empty, and 12 ...I was wondering how long a 5lb CO2 tank usually lasts. I kegged 5 gallons, forced carbed at 20psi for 3 days and served at 9psi since mid December. Just recently noticed my regulator is down below 5psi and tried to turn the pressure back up to 9 psi to no avail. The tank does feel light so wondering if it's empty.Specific Aspects of a Planted Tank. Equipment. Average Life of a 5Lb CO2 Bottle. Jump to Latest ...How long does your CO2 tank last? Thread starter schoeplein; Start date May 15, 2014; The friendliest place on the web for anyone with an interest in aquariums or fish keeping! If you have answers, please help by responding to the unanswered posts. See posts with no answers.

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Here I will show you how to connect a 5 pound co2 tank to my SodaStream fizzi machine at home for cheap. First off, I went to my local welding shop to pick u...564K subscribers in the Aquariums community. The subreddit for anything related to aquariums! Come here to enjoy pictures, videos, articles and…Here I will show you how to connect a 5 pound co2 tank to my SodaStream fizzi machine at home for cheap. First off, I went to my local welding shop to pick u...A 5lb Cylinder of CO2 will dispense roughly 8 (eight) 1/2bbl kegs, or about .6 lbs required per 1/2bbl with nominal dispensing conditions. If you ran a 5lb tank out with one keg, you have a leak. Do some searches for leak testing procedures, and do the soapy water thing and look for bubbles.The chemistry of CO2 works out so that a 5 lb tank turned into gas at 1 atmosphere at 0 degrees C will yield 1150 liters, more of less of CO2. A 5 gallon Corny will take about 20 liters or so to fill, so if you are carbonating to 2.5 Volumes, you will use about 70 liters per keg, if you count dispensing volume. it would be enough gas to ...Well water pressure tanks are connected to water wells and perform several vital functions in water supply systems. Here’s what you need to know about well water pressure tanks. A ...How long will a 5 lb., 10 lb., and 20 lb. CO2 tank last? A 20 lb. CO 2 tank will yield approximately 90 gallons of soda, therefore a 10 lb. CO 2 tank 45 gallons and a 5 lb. 22.5 gallons. How much soda does a 2.5 & 5 gallon of Bag-in-Box syrup make?666 posts · Joined 2013. #6 · Jan 4, 2015. I have a 5 lb. tank and use about 3 bps for about 6 hours a day. The tank has been hooked up for about 8 months and it is still on full. I can't imagine having a 20 lb. tank (it must be humungous) and using all that in 4 months! Fraternity of Dirt #160. 75 gallon - CO2 injected. ….

A 5 lb tank will register the same on the gauges whether or not there is 5lbs or 1lb. The pressure doesn't start dropping until the last of the liquid evaporates, and there is only gas in the tank. If your tank is not getting filled all the way, it could only last a couple of weeks, but still read 800-1000 psi when you bring it home from refill.Here I will show you how to connect a 5 pound co2 tank to my SodaStream fizzi machine at home for cheap. First off, I went to my local welding shop to pick u...Setting up my first co2 system for two of my aquariums (2 tanks one co2 canister). Just wanted to know how long your co2 tanks last, with the size of the tank and bps of course! Share Sort by: Top. Open comment sort options. Best. Top. New. Controversial. Old. Q&A. Add a Comment.I was wondering what other people do for choosing the size of the CO2 tank to use. I have a 75 gallon tank, and starting to use CO2 shortly and need to source a tank. My stand will accommodate a 5 lb or a 10 lb tank, but not a 20 lb tank. Since most of the tank exchange places in my area (Westchester, NY), exchange only 5 lb or 20 lb, I was ...That being said, lately I feel my CO2 has been running out extremely fast. In the past, I could get 3-4 corny kegs carbonated, then dispensed from my kegerator with a single 2.5lb CO2 tank. Now I am having to refill my CO2 every 1.5-2 kegs. To get into specifics, I generally will force carbonate my corny keg at 23 PSI for about 3 days.If you are running a high tech planted aquarium injected with high amounts of CO2, people recommend getting the largest size possible so you will not have to refill the cylinder as frequently. However, for the average customer, we often suggest: 2.5–5 lb. cylinder for 20-gallon aquariums or smaller. 5 lb. cylinder for 25- to 40-gallon aquariums.I got a 5lb CO2 tank to replace my old propane-burning system because that apparently generates CO and other pollutants, which can harm both you and your plants. But it kind of went fast as hell. The 5lb tank costs $28 to refill and was gone in about a week.A rough estimate to start from would be, for every half pound of CO2, you can dispense a will dispense a full size (1/2BBL / 15.5G) keg. Which would also equate to about 3 - 5 Gallon kegs. If you are force carbonating you would use about double the amount of CO2 to force carbonate and then dispense the keg – 1 pound of CO2 to force carbonate ...The tank pressure wont start dropping until it is nearly empty. My understanding is the liquid is gone at this point and only gas remains. Somebody correct me if that is wrong. Regardless, usually will only last a few days after it begins to drop. That does seem fast to burn through 5 lbs. Should do a thorough leak check with soapy water on ... How long will a 5lb co2 tank last, The average industrial supply tank of argon gas, at around 250 cubic feet, will last about 10 hours at a 20 - 25 cubic feet per hour flow rate. Most household tanks are between 60 and 80 cf, and at a 20 cfh flow rate will last around 3 to 4 hours. However, the lifespan of your argon tank during TIG welding may vary as it depends mainly on ..., Model: CYL-2-5-AL-CO2-N. $49.30 $74.95. + FREE Shipping. The 2.5lb CO2 Air Tank is produced from high strength aluminum alloy. Enjoy the benefits of aluminum tanks with a 2.5lb CO2 Air Tank. Buy It Now See More Information. In stock. Secure online ordering. Features., New high quality CGA-320 valve. DOT approved. Because it is made of aluminum rather than steel you can feel confident that it won't rust. It's called a 5 lb tank because it holds 5 lbs of compressed (liquified) CO2. 5 lbs of CO2 is enough to dispense about 8 to 9x 5-gallon kegs of homebrew. Aluminum tanks are superior to steel because they ..., As mentioned, you can pour between 15 and 22 corny kegs with a 5-lb CO2 tank. Corny kegs are five gallons in size and are the most common keg for home brewing. Sixth Barrel. Sixth barrels are slightly larger than corny kegs and are 5.23 gallons big. Sixth barrels get used in homebrewing, microbreweries, and elsewhere., Apr 10, 2016 · The tank pressure wont start dropping until it is nearly empty. My understanding is the liquid is gone at this point and only gas remains. Somebody correct me if that is wrong. Regardless, usually will only last a few days after it begins to drop. That does seem fast to burn through 5 lbs. Should do a thorough leak check with soapy water on ... , How Long Does A 5 Lb Co2 Tank Last. Posted on 07/02/2024 by . Sale! Add to wishlist. Quick View. ROLEX WATCHES ROLEX DATEJUST M278271-0028 WATCH 31 $ 900.00 $ 279.00. Sale! Add to wishlist. Quick View. ROLEX WATCHES ROLEX YACHT-MASTER 116655 OYSTER 40mm ..., Will my carbonating cylinder expire? While the gas in the CO2 cylinder does not expire, our cylinders need to be checked for quality assurance purposes by a certain date, which can be found at the bottom of cylinder. For best use, we recommend storing your cylinder at room temperature. While the gas in the CO2 cylinder does not expire, our ..., I was wondering how long a 5lb CO2 tank usually lasts. I kegged 5 gallons, forced carbed at 20psi for 3 days and served at 9psi since mid December. Just recently noticed my regulator is down below 5psi and tried to turn the pressure back up to 9 psi to no avail. The tank does feel light so wondering if it's empty., A 5lb CO2 tank will carbonate and dispense approximately 30 gallons of beer (around 6 x 5 gallon Corny Kegs). If you're dispensing already carbonated commercial beer, a 5lb CO2 tank will last longer than this. It's recommended that you check all connections for leaks using a sponge with soapy water when installing a new CO2 tank., Specific Aspects of a Planted Tank. Equipment. How long a CO2 cylinder should last before refill (and other questions)? Jump to Latest Follow 649 views ..., Feb 6, 2010 · 6. If all your seals are airtight a 5 pound tank should last you many kegs. Too many for me to keep count. Bad gaskets, improperly seated poppets and bad hose connectors or clamps cause small leaks that will drain your CO 2 in no time. Some keggers only connect the gas line to the keg when it starts to peter out. Tight seals are the key. , For a 95g tank, how long will a 20lb CO2 bottle usually last before I need to refill it? I'm the kind of lazy person who doesn't want to go refill a CO2 bottle too often, and I'm wondering if it would be a good idea to buy a 50lb!, A 5 lb propane tank will last between 5 and 11 hours when running a camping stove. You can use a Weber grill for 9 hours on a 5 lb propane tank and a camping heater lasts between 17 and 27 hours. You can run a camping lantern for 21 to 22 hours on a 5 lb tank. Knowing how long one 5lb propane tank lasts for various …, Cylinder will arrive with a new or good used CGA 320 valve. You can expect a full 5 lb. CO2 cylinder to last for 8-10 five gallon Cornelius kegs. You can have your tank filled at any local welding supply store. Specifications: Dimensions: 5"D x 18"H. Shipping Weight: 12 lbs (empty), 5279 posts · Joined 2006. #3 · Jun 24, 2008. I have 2 20ozers and a 24oz. 16oz is a pound. Mine lasts about 6 weeks on a 29 with a glass diffuser. If you have a reactor the gas will last longer as you geet 100% of the gas dissolved. For that large a tank I wouldnt recommend such a small tank. Ehfipimp #273 ( Eheim Classic: 2260, 2217, Eheim ..., How many kegs can I tap on one CO2 tank? A standard, 5-pound CO2 tank will last from 2-4 half barrel (full-size) kegs, largely depending on if it is kept cold. Since heat causes carbon dioxide to expand, keeping it in hotter temperatures will ultimately limit its usability. However, if kept cold, CO2 should last for up to four half barrel kegs., My CO2 tank was at 2000psi when I started and is at 800 now. If your gauge was correct I would say your about 2/3 used so another couple months and you will need to refill it. Left gauge tells you how much is left. When it drops to zero, empty. My left gauge was about 900 since I started it 18 months ago., You probably know where the gas tank is on your car, but if you rent a car, share one with your family, or get a new one, you probably forget. Here's an easy way to always know whe..., Lets say a small 20oz bottle and a 5lb bottle, how long will either last? Also, anyone know how much it is to fill either of these? Search. Search titles only. By: Search Advanced search… Search titles only ... How long will co2 tank last? Thread starter hineigger; Start date ..., Apr 10, 2016 · The tank pressure wont start dropping until it is nearly empty. My understanding is the liquid is gone at this point and only gas remains. Somebody correct me if that is wrong. Regardless, usually will only last a few days after it begins to drop. That does seem fast to burn through 5 lbs. Should do a thorough leak check with soapy water on ... , May 3, 2018 · In general, a half pound per quarter keg, 1 pound per full keg. You should get 15-20 sixth kegs out of 5 pounds. A back up bottle is the best thing to do because what your tank gauge is telling you is the pressure of the gas above the liquid CO2. Once the liquid is gone, the pressure will quickly drop and you will be out. , Read the tank's label to determine weight (60L is around 438grams). Grab a wrench and unscrew the top (slowly to let any excess gas leak out). Use kitchen scale to measure empty tank (around 500 grams with the top valve removed). Fill with dry ice (I use a 3D printed funnel to help), use kitchen scale to weigh the tank as you add more dry ice ..., Heres a chart to help answer the question on How long do Co2 Tanks last. CO2 tank weight in pounds Composition Usage limit 50 Aluminum 1.25 minutes 50 (short) Steel 1.25 minutes 50 (Short) Steel 1.25 minutes 50 Aluminum 1.25 minutes. ... CO2 Refill Prices Size of Cylinder Exchange $ Buy $ 5lb. CO2 Cylinder $19.99 $69.99 10lb. CO2 …, Nov 19, 2007 · Less efficient diffusion typically means wasted CO2 gas escaping, and therefore you need to supply more. I have been using a 5lb tank, making LOTS of mistakes as I learn and experiment. I've had a 5lb last as little as a week (leak in DIY bubble counter) on a 5.5g tank, and up to a month on a 20-long (slow leak in tube going to diffuser). , High quality 5lb aluminum CO2 cylinder. The perfect size for almost all planted tanks. Dimensions: 5 1/4" D x 18" H. CO2 Capacity: 5 lb. Made of high strength Aluminum alloy. Corrosion resistant interior and exterior. Manufactured in accordance with US Department of Transportation (DOT) 3AL. Cylinders ship empty, without CO2., Total Price: $280.48 $360.49. Add to Cart. This item: 5 lb New Aluminum CO2 Tank Cylinder with CGA320 Valve. $108.80 $130.56. [6 PACK] 16g Mini Regulator CO2 Cartridge - Disposable by Leland TapGas. $11.99 $24.78. 10 PACK 8 gram Disposable CO2 Cartridges for uKeg Growler. $15.08., Co2 is sold by weight, not volume. If you stick the cylinder in the fridge, it might show 500 psi. If you take it out, it might show 800 psi. So, that gauge is meaningless. It'll show "order co2" until the tank is more than 90% empty, and then go immediately to "empty" as co2 is a liquid, but is dispensed as a gas., Look for a welding supply store. You can pick up a 5lb bottle for $50ish most the time. Refills are usually only $10ish. It’ll last you months on a 20 long and the regulators for change 320 style tanks are usually way better quality., How Long Does A 5Lb Co2 Tank Last In A Kegerator. How To Store Helium Tank. How To Store 50 Lb Bag Of Rice. Reviews . How To Organize Pillows On Bed. ... How Long Does A Propane Tank Last On A Patio Heater. By: William Harrison • Articles. 15 Incredible 1 Lb Bread Machine For 2024. By: ..., So the initial price would be $83. Depending on how long a 10 lb tank would last, option 1 would pay for itself - in comparison with option 2 - after a year or two. If a 10 lb. tank is only going ot last a couple of months, then option 2 is probably best because the refills are a little cheaper and the tank would last twice as long., My 5lb co2 tank lasts about 4-5 months at about 4-5 bubbles per second so that will give you a rough idea. I figure a 20lb tank would last around 16 months at that bubble rate. Less if you have a higher bubble per second. Again just a rough estimate. You should get at least a year between refills I would think. Maybe less thats a big aquarium., May 7, 2009 · The answer to the question is about (8) 1/2 barrels out of a 5lb co2 tank, based on a proper fill, and assuming no leaks in the system. The rule of thumb is .6lbs of co2 per half barrel. If you have an accurate scale at home, you can tell if you're getting a proper fill by weighing the tank. , SpyderFoode • 8 yr. ago. The tank should have a tare weight printed on the side. Weigh the tank and subtract the tare weight to give you the co2 left. A common thing I have heard is about 1 keg per pound of co2 if force carbonating. Obviously just a rough guideline, but fairly accurate in my experience. If you have a dual gauge regulator ...