How long will a 5lb co2 tank last

It'll really depend on how much you dose CO2. I have a 5lb tank on my 75 gallon, but I have plants don't need a lot of CO2. I'm running mine at 1/Bps. My 5lb tanks lasts about a year. I'm setting up a 29g soon with another 5lb tank and I'll be using plants that need more CO2. I'll probably need to refill that tank every 4-6 months from past ...

Just set up my new 5lb co2 tank. How long can i expect it to bubble before it needs refilling? Just wanting a ballpark guess. 1000lb current pressure 30lb operating pressure 60 bubbles per minute 80 gallon tank 30lb operating pressure 60 bubbles per minute 80 gallon tankI 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 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 ... A 5lb CO2 tank can last around 6-8 half-barrel kegs or 10-12 corny kegs, depending on factors like dispensing pressure and temperature. Keep an eye on the pressure gauge to monitor usage. Estimating CO2 Usage in a Kegerator. Estimating CO2 usage in a kegerator can help you get an idea of how long a 5lb CO2 tank will last in your specific setup.Join Date: Oct 2006. Posts: 1629. Share. Tweet. #2. 01-01-2006, 05:11 AM. Your bottle will be rated a certain "cubic feet" volume. That bottles useful life per fill is directly proportional to the amount of flow you have set at the regulator. If you have an 80cf bottle of gas, and you're regulating it to 10cf/h, then that bottle will last 8 ...

Starting a high tech planted tank can be a little intimidating, so follow our step-by-step beginner's guide to set up your first pressurized CO2 system. ... However, for the average customer, we often suggest a 2.5-5 lb. cylinder for 20-gallon aquariums or smaller, a 5 lb. cylinder for 25- to 40-gallon aquariums, and a 10 lb. cylinder for ...A 5lb CO2 tank can last around 6-8 half-barrel kegs or 10-12 corny kegs, depending on factors like dispensing pressure and temperature. Keep an eye on the pressure gauge to monitor usage. Estimating CO2 Usage in a Kegerator. Estimating CO2 usage in a kegerator can help you get an idea of how long a 5lb CO2 tank will last in your specific setup.Septic tanks are a type of onsite sewage facility. They are frequently used in rural areas that are not connected to a sewerage system. Expert Advice On Improving Your Home Videos ...hooha. It's probably easier/more affordable getting a 5lb tank. If you're going to go high light, you will probably use more C02 eventually as well. A 5lb tank on my 55 lasts about 4-6 months. I got a 2.5lb tank for a 20 gallon and if I remember correctly it's cost was close to a 5lb tank (got it for space concerns).Just set up my new 5lb co2 tank. How long can i expect it to bubble before it needs refilling? Just wanting a ballpark guess. 1000lb current pressure 30lb operating pressure 60 bubbles per minute 80 gallon tank 30lb operating pressure 60 bubbles per minute 80 gallon tankI 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 ...

To summarize, a rough estimation suggests that a 5lb CO2 tank will last anywhere from 2 to 6 months in a typical homebrew setup. However, this can vary greatly depending on the frequency of use, desired carbonation levels, and temperature settings. It is always a good idea to have a spare CO2 tank on hand to avoid running out unexpectedly.For example, let’s say you have an E cylinder with a pressure of 2,200 psi and a flow rate of 2 L/min. The duration of the oxygen tank can be calculated as follows: Duration (minutes) = (2200 psi x 0.28) / 2 L/min. = 308 minutes. Duration: This oxygen tank will last for approximately 5 hours and 8 minutes.Aug 10, 2022. #5. I have a 55 gallon tank and a 5 # tank of CO2 lasts me about 4 months. You should get 6-7 on a 29 gallon tank. You should be able to get away with only one tank if you can get it refilled easily. If refills are inconvenient,. then having a second tank might be warranted. I understandd that there is currently a shortage of CO2 ...I'm completely new at this, so please bear with me. I have a 5lb Co2 cylinder on order, but I have a few questions. ... 1. How long does a 5lb tank last for a 29 gal.? 2. Which regulator is the best, Milwaukee, or JBJ? 3. When should I refill the tank (Psi)? Thanks in advance. Lissette . R. reiverix Aye. Sep 4, 2004 1,470 0 0 55 Columbus, OH ...

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It would take about 3 months for hi-tech, hi light set ups and 4 to 5 months for low light set ups for a 2 liter CO2 tank to be fully consumed. That means the hobbyist …pleasantly surprised that my 20# tank lasted just a couple days shy of 7 months. the tank supplies a 75g, 30g, and 20g. all 3 have been running standard ceramic diffusers with drop checkers reading light green for 8hrs a day. the CO2 tank also supplies my home-made kegerator. i've gone...Aug 10, 2022. #5. I have a 55 gallon tank and a 5 # tank of CO2 lasts me about 4 months. You should get 6-7 on a 29 gallon tank. You should be able to get away with only one tank if you can get it refilled easily. If refills are inconvenient,. then having a second tank might be warranted. I understandd that there is currently a shortage of CO2 ...Specific Aspects of a Planted Tank. EquipmentNov 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).

The life span of a CO2 tank depends on the size of the tank and how often it is used. A small 12 oz CO2 tank used for paintball can last for about 300-400 shots before needing to be refilled. A larger CO2 tank used in the food and beverage industry can last anywhere from 8-12 weeks, depending on the amount of CO2 used.Similarly, a the standard in-tank ceramic diffusor isn't that effective for shallower tanks - and inline reactor or inline diffuser is a better choice. 24oz paintball tanks last me about 2.5 months on my 40 gallon. I have a 2.5lb on my 20 long. I can get 4-5 months.Carbon Dioxide. Compressed gas plays a crucial role in the service industry as it's extensively used to dispense and provide carbonation for beverages. Carbon dioxide is a naturally occurring gas that is colorless, odorless, and non-toxic. Additionally, food grade CO2 can even extend the shelf life of food items like pastries and salads.Physics says you're wrong. CO2 liquefies at 870psi at room temp that pressure doesn't change. Even paintball tanks are filled with liquid CO2. All CO2 tanks hold liquid CO2, fill stations just have a siphon tube so it fills with liquid instead of the gas coming from the regulator.In general, it takes about ½ lb of CO2 to dispense a quarter barrel of draft beer. Since most home brewers use 5-gallon kegs, however, these numbers are somewhat meaningless. For an average 5 lb CO2 tank and a 5-gallon keg, that means the tank will pump 31 to 44 kegs of beer. On a smaller scale, for portable cartridges, one 16g cartridge will ...That’s only 26 kegs (assuming 5 gal corny). I get about 8-10 kegs out of a 5lb tank. Fill and purge twice (oxy/starsan), force carb, and serve at about 12 psi. Check my math, but with 2 purges, carb to 2.5 vol, and serving at 12 psi it should take about 6 volumes (30 gal) of CO2. The 1.3 oz CO2 per 5 gal mentioned earlier is close.69% positive over last 12 months. In Stock . Shipping rates and Return policy ... Victory 5lb CO2 Tank Aluminum Cylinder with CGA320 Valve . $79.90 $ 79. 90. ... Ships from and sold by ZX Victory. + FERRODAY Ball Lock Gas Line Assembly 5ft Red Long Tubing 5/16 Ball Lock Gas Disconnect Set Home Brewing Kit Ball Lock CO2 Gas Hose Assemble for ...It depends on a few factors. If you are using the CO2 only to dispense the beer, not to carbonate it, you may get as many as thirty 5 gallon Cornelius kegs out of one 5 lb. CO2 cylinder. However, most homebrewers are also using CO2 to force carbonate their brew, so this brings it down to around ten 5 gallon Cornelius kegs out of one 5 lb. CO2 ...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.We recently purchased a dual tap kegerator with a 5 lb CO2 tank. We've cashed 5 kegs and the regulator still says there is about 500 psi left in the tank (I keep the tank in the fridge, which I know impacts the psi reading- is this ok?). We haven't experienced any CO2 issues and I'm just...3. If one tank is "full" and one is empty the full one should weigh about 5#s more than the other . Yes the CO2 is liquid (DO NOT SHAKE IT UP or TRY TO "HEAR" THE LIQUID - you want to avoid getting the liquid CO2 on the valve). Never lay the bottle down - keep it standing upright. 4.

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.

How long will a 2.5lb Co2 tank last in a 65 gal. Thread starter Fish Breath; Start date Jul 8, 2005; 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. Jul 8, 2005 #1 F.Jan 13, 2011 · Once I start injecting co2 it jumps to 800ish after a couple minutes. I filled up the little 5lb tank about a month or so ago I'm already down to 600. I am running a high bps from two points but I didn't think it would go so fast especially when the 10 (I know dbl the size) lasted sooooo long! Sep 8, 2021 ... I worked for a CO2 gas filling company for 8 years. Although the idea of switching to a bigger tank is great, I would 100% recommend using a ...In theory, 1 pound of liquid CO2 should be good for 30 gallons of homebrew carbonated to 2 volumes. That means a 5lb tank would carb 150 gals or 30 cornies and a 10 would be 60 cornies. The problem though is we use a lot more when we prepurge the kegs, vent here and there, etc.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.CD FG5A Food Grade Carbon Dioxide, 5 Pound High Pressure Aluminum Cylinder, CGA 320 Washer 1. About this product. Carbon Dioxide (CO2) is a nonflammable, colorless, odorless gas. GAS INFO. CYLINDER DETAILS. Product Attributes. CGA Connection • CGA 320 Washer. Gas Grade • Food. Features.Remember me Not recommended on shared computers. Sign In. Forgot your password? Sign Up

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A 20-pound propane tank will provide about 10 hours of heat for patio heaters. On average, patio heaters will cost about $1.50 to $3.00 an hour to operate. The usage reflects the patio heater settings. It’s important to note that these tanks come in different sizes, and due to differences in capacity – they won’t get all last for an equal ...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.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.How long does a bottle of c02 last? I have a 5lb bottle, set at 12 psi thru a clippard needle valve thats always open. The shop that fills the tank only fills it to 800psi. ... Use windex or dish soap and water in a spritzer bottle to check your CO2 tank, regulator, solenoid, bubble counter ect ect for leaks after you put it together. Mark.I got home from work this morning and decided to have a nice cold beer. I got nothing from the keg. I guessed that it was empty, so I unplugged the kegerator and took a look inside the keg. It was over half full. Turns out that I have an empty co2 tank. Are the 2.5 pound tanks supposed to last...I average 5 to 7. Although I don't always have a keg hooked up to the tank will drinking on it. Usually wait till barely any beer comes from the tap then hit it with …0.5 bubbles per second = 1 bubble every 2 seconds. It is possible to achieve lower rates with a good metering valve. Anthony. A Primer to Pressurized CO2 and A Primer to Planted Tanks. Eheim Pimp #362 - Eheim Pro 4+ 350, Eheim 2217, Eheim 2213 x2, Eheim surface skimmer and Eheim autofeeder. Victor Pimp #33 - HPT272-125-350-4M.How many kegs can I dispense with one CO2 tank? A standard 5lb. CO2 tank can dispense between 2 to 4 full-sized kegs, depending on the ambient temperature. The colder the ambient temperature the closer you will get to 4 kegs. It takes approximately 1/2 lb. of CO2 to dispense a 1/4 barrel of beer.I have bought this CO2 tank back in 2015 and its still running 24/7. How long it will last .... ? I don't know yet.I have a 40 oz CO2 tank that I am planning on using on a 54 gal corner tank. I have the back sectioned off so it only holds about 30 gallons of water. From reading in the thread about paintball tanks I was lead to believe that most people get a few months or even a year or more out of a 24...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.Just set up my new 5lb co2 tank. How long can i expect it to bubble before it needs refilling? Just wanting a ballpark guess. 1000lb current pressure 30lb operating pressure 60 bubbles per minute 80 gallon tank 30lb operating pressure 60 bubbles per minute 80 gallon 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 ...Hi all. I was thinking about kegging and I was wondering how long a bottle of co2 lasts. I drink about 2-3beers a day. I know diff carb levels and everybodys answers will be different, but I am just looking far an average. Thanks and cheers!!Dunno if RexGrigg is still selling CO2 setups, but I purchased mine from him 3-4 years ago and have nothing but great things to say about the quality of the parts. My regulator, low pressure regulator, check valve (highly recommended, especially if your CO2 tank is lower than your fish tank), and needle valve setup was ~$160 shipped.The tare weight varies from tank to tank so it is stamped on the CO2 tank. Mine is steel and it weighs 7.75 lbs plus 5 lbs CO2. It will last for a variable amount of time depending upon several factors. Use it to force carb, dispense, transfer, etc. A leak will kill it quickly. Roughly speaking, it will last for 3-6 months or about 10-20 kegs.It has been working great for the past two months, but now I'm down to my last pound of co2 in the 5lb tank, I can't fill the sodastream bottle more than a few grams at a time. ... This is why tanks normally will read full for a long time and then very quickly go empty once all the liquid CO2 has been converted to the less dense gas state ...5lb CO2 tank will make roughly 85 to 132.5 liters. I typically carbonate 5 gallon soda kegs, and depending on the amount of carbonation I'm forcing into each keg, I'm usually able to get between 5-7 kegs out of a 5lb CO2 tank. 1 gallon = 3.8 liters. 5 gallons = 18.9 liters. 25 gallons (5 kegs) = 94.6 liters. 35 gallons (7 kegs) = 132.5 liters.i've had my 5lbs running for over a little over month now at about 1.5 bps on a 10g and the gauge hasn't changed at all. It won't change at all. Not until it's within a week of being bone dry. And at 1.5bps, a 10g tank will probably last close to a year, give or take a few months, depending on a lot of stuff. Share.A Siphon C02 tank is required for your Club Cannon product to create the desired effect. Once the fog starts to appear thin, your tank is depleted of liquid. It is now time to get a refill. CO2 can be purchased from any local gas or welding supplier. The C02 will shoot 20-25 foot plumes, 2-3 feet wide. How long will a 5lb co2 tank last, General Planted Tank Discussion. Help with my C02 Please. 1353 Views 12 Replies 6 Participants Last post by d2creative, Mar 9, 2020. d2creative Discussion Starter ..., I've been offered a 20# CO2 tank for $15. ... However, I have never gone to get mine retested, I really don't know how long the procedure is. I don't know either how long the expected lifespan of a tank is. Give it a whirl, worst case scenario is you are out $18 and have to get a new tank. ... 5 pound CO2 tank. redrocker652002; Jul 18, 2023 ..., I'm looking to upgrade my aquarium from liquid co2 to a pressurized system so I can get carpeting and vals. So far I've looked at both a 24oz…, 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 …, 5lb co2 Tank- New Aluminum Cylinder with CGA320 Valve. ... This tank is the perfect choice for dispensing beer, cider, soda and more while helping maintain long-lasting flavor that never fails to satisfy. And it's all done in a great-looking, lightweight package. This CO2 gas cylinder isn't just for beverages, either — it works well for ..., That's 60 SodaStream bottles. So, if you were to make one liter (ie. one SodaStream bottle) every day, you would get about 60 days of carbonating action out of one SodaStream canister. The canisters aren't measured in time but in liters of output instead. Once you've come to the end of your canister, you'll notice that very little to no ..., 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 ..., 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..., We'll see how long the bottle lasts before I have to swap but for $80 pre-filled, it was well worth it! FYI, I commented on where to buy the adapter hose on the bottom. You only need a small crescent wrench and used Teflon tape for the brass/CO2 side wrapped around a few times. The hose is very beefy so it's well worth the $39 you spend., We recently purchased a dual tap kegerator with a 5 lb CO2 tank. We've cashed 5 kegs and the regulator still says there is about 500 psi left in the tank (I keep the tank in the fridge, which I know impacts the psi reading- is this ok?). We haven't experienced any CO2 issues and I'm just..., That’s only 26 kegs (assuming 5 gal corny). I get about 8-10 kegs out of a 5lb tank. Fill and purge twice (oxy/starsan), force carb, and serve at about 12 psi. Check my math, but with 2 purges, carb to 2.5 vol, and serving at 12 psi it should take about 6 volumes (30 gal) of CO2. The 1.3 oz CO2 per 5 gal mentioned earlier is close., Dropping the pressure would cause that liquid CO2 to convert to a gas and then you are putting virtually nothing into that 5 lb tank (it will be 850 PSI of gas, which is about 0.2% full). Also, gas regulators don't work on liquids. Using one on an inverted liquid tank will either ruin the regulator worst case, or best case, not regulate anything., what this means to you though, is if you find a tank used (and i recommend you do! such as on craigslist or ebay - but check for shipping costs), always ask for the …, 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 ..., Your cylinder should last long, like a year or longer. A really long time. I have a 10 lb tank. I used it for a keg of beer, probably depleting about 1/4 to 1/2 of it, and have been using it on my planted tank for a year and a half now. I still have decent pressure, and I'm assuming it will last a fair bit longer., Snagged a great deal on a 20lb co2 tank back in April ($10!! yes really!!); it went online on May 1st. Still going strong, and I brew at least 3 batches a month, all kegged, and force carbed. Curious to see how long a 20lb lasts for others. My little 5lb tank would last about 3 months; doing..., You should always open any type of gas tank all the way. Most of them have safety mechanism that do not fully engage of they're not fully open. I don't have experience with co2 but this is true for propane, and with a quick search shows CO2 tanks are similar and should be opened all the way., 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..., 5 LB aluminum CO₂ tank with current hydro testing. Lightweight--up to 40 percent lighter than comparable steel cylinders. Dot/tc certified - 1800 psi service pressure. Certified for use in the u.S. (Dot) and Canada (t.C.). Can dispense 5-7 kegs (1/2 barrels) or 15-22 homebrew kegs (5 gallon). Dimensions: 5.25 inches wide, 17.5 inches tall., According to Via Michelin, the average capacity of a tank’s fuel reserve is 1.3 gallons, which can allow you to drive from 30 to 60 miles before running out of fuel …, Apr 1, 2007 · Mar 8, 2008. #10. I use an automatic co2 doser in one tank, and a regular solenoid that turns off at night in my others. The automatic lasts about 8 months, the regular solenoid about half that. Oh, and its a 5 gallon bottle. Expand signature. 720g - used to have 10 plecos. , Specific Aspects of a Planted Tank. Equipment. how long should a 5lb co2 can last. Jump to Latest Follow 1 - 16 of 16 Posts ..., 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 ..., The amount of time a 5lb CO2 tank will last in a kegerator depends on many factors, including how often it is used and how large the beer lines are. Generally, a 5lb tank can last anywhere from one to three months if the kegerator is used regularly. It is important to remember that a CO2 tank needs to be refilled periodically, as the CO2 is ..., 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., How long should a 5lbs CO2 cylindzslr last in a 55g tank? IME, you should be able to get 3 months from a 5lb tank on a 55 pretty easily. I'm on month 3 of a 5lb tank on a 75. I anticipate getting at least another month and I'm at about 5 bps (although bps is by no means a standardized measurement)., 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), For when you’re welding mild steel. And need some Argon and Carbon Dioxide gas tanks. The amount of high pressure gas in a tank is measure in cubic feet (cf) Tank Size 1 has 20 cf Argon/CO2 gas. Tank Size 2 has a least 40 cf Argon/CO2 gas. Tank Size 3 has at least 80 cf Argon/CO2 gas. Tank Size 4 has at least 125 cf Argon/CO2 gas., Last night, with the keg pressure set at 13 psi, I turned the valve on the tank off but left everything hooked up. This morning I checked it (about 10-12 hours) and the high pressure gauge was on 0, the low pressure gauge was around 7 psi., Posted February 18, 2023. 10lb which isn't much more than a 5lb. On 1 tank I find it lasts easily like 14+ months between refills. Depends on how much you're injecting. In general outside of my retail store and warehouse, co2 lasts forever it seems. Warehouse it's like 6x 20lb tanks swapped out like every 10 days., 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., there are different size tanks you can use for co2: 2.5, 5, 10, 15, 20, 50 lb, etc. it might make sense to think that the cost to fill a 5 lb tank would be twice as much as a 2.5 lb tank, and to fill a 10 lb tank would be twice as much as filling a 5 lb tank, and so forth but it turns out that at welding supply shops, the cost to fill a tank that is larger is usually only a few dollars more ..., CO2 is liquid, about 400x times as dense as a gas at 1 bar. Quick calc: 14lbs/2.2=6.36kg. 6360g / 1.977g/l = 3219 liters. 3219 liters / 10LPM = 322 minutes of welding. I have a 30lb tank I mix with argon at 25%. Have gone through 3 bottles of argon (1 80cf, 2 125cf). The CO2 tank still feels just as full. Some o fthe argon was used for TIG though.