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Hi, First, the feedback after 22 months of use: I never cleaned the atomizer in those 22 months. It never leaked and I never had to increase my working pressure. The working pressure is near 30 psi (2.0 to 2.1 bar). So, it is important to have a good CO2 circuit to avoid leaking in tube...

No, this needs 2.0 to 2.1 bars to operate, so around 30 PSI. Below that, you'll have all sort of issues you describe. So, you need an adjustable regulator with up to 2.5 bars limit + a very good needle valve to keep a fine tuning with that pressure

Up Atomizer needs 2.0 to 2.1 bars to work (around 30 psi) Yheck if your reg has adjustable working pressure above 2.0 bars, or you're stuck

Yes, and I don't see bubbles unless very close to tank. They are so small... If you see them, then just turn down CO2: spares CO2 and very efficient

Sometimes, misting was shown to be much more efficient than any 100% total dissolution and in most cases leads to much less CO2 use compared to an external reactor

The cheap CO2 Atomizer (external inline ceramic misting, search ebay for it) is an incredible CO2 bomb machine. Anyone should give it a try Sadely, I never could compare it to my external AM1000 on my 230L as I stopped the tank before I start the experiment. Based on what I see in my 12 gal +...

That diffuser rocks. On my nano, 45L, I'm now at 30 bpm (1/2 bps), dennerle bubble counter, with a nice mist and a yellow tint in my drop checker. Have to back it down to introduce the first invertebraes. It is so tiny that is greatly replaces a big external reactor, yet providing an additional...

This one is incredibly efficient in producing a fine mist http://cgi.ebay.com/UP-CO2-Atomizer-System-for-Plant-Aquarium-12-16mm-Hose_W0QQitemZ370236770101QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item5633d4c735 But on high outputs of CO2, you'll have a really too important mist

Here in CH, I get industrial gas at £28 equivalent for a 10Kg cansister. The price difference between refills is very small and it would cost me £26 for a 7.5Kg. So, I would opt for the 10Kg canisters if you have space

If you use a 10Kg CO2 canister, the time between when pressure starts to drop (end of liquid phase) and the time the canister is really empty can be of up to months depending on your bps. During that time, canister pressure drops and working pressure increases. Through the needle valve, an...

Stop loosing money on crappy regulators. Any one didn't expierience end of canister life, CO2 dumping issues? Go with a dual stage (nothing to do with dual gauge) regulator, at least you'll have piece of mind

Yes, avoid any aquatic brand product. Get your cylinders and regulators from gas companies, it will be so much cheaper. I get a 10Kg CO2 cansiter for the price of a 2Kg one I buy in aquatic shop. Also, for the price of a crappy Dennerle regulator, I get a 2 stage regulator + an Ideal needle valve

Hi, I just received the reactor. Indeed, it will leak every where. Both extremities are removable, but nothing is done to made them waterproof. I see it like an advantage though, as it can be easily cleaned. Soldering with silicone or some superglue would make it fully waterproof. It will need...

I think a that the main problem is the size of CO2 bubbles varrying largely from one setup to another. Also the CO2 targets and way to monitor them is not the same for all people Finally, some use 24/24h, others 8h/24, 12h/24, PH meter... But a poll with: how long would your CO2 canister last...

I fuly agree with you. I try to trim regularely to avoid those fluctuations, but I also have to adjust my bps from time to time, sure. I also don't target a number (30ppm), just a general constant trend to the green-yellow in my Co2 drop checker. As I tested many times the whole line for...

The math he made should only depend on bps, so we don't care about plants consumption or anything of what you mentioned. The error in his math is probably due to the bubble size being different from one setup to another. I have a Dennerle bubble counter laying around that specifies its bubble...

:thumbup: Thank you very much. Car gas comparision made the rationale in my mind. I'll go with cheapest source of CO2 By the way, I saw I have a Dennerle bubble counter laying around. It mentions the bubble size in ml and mg of CO2, so easy to estimate CO2 use and compare the deviation. I'll...

I'm still not sure if the impurities are really safe Here are the CO2 samples, from less pure to most pure: KK (99.5% pure), CO2 3.0 (99.9% pure), CO2 4.5 (99.995% pure), Biogon (food quality), no exact data

Fire extinguichers here costs around 300 CHF (173 GBP) :shock: I found industrial CO2 providers that can loan the canisters and filling is in the range you have in UK. There are many CO2 grades though, depending on impurities. They range from 99.9999%, 99.95% and 99.7% purity. Impurities are...

You're theory looks great, but how could you explain that no one here gets his 2Kg CO2 at 2bps above 3 months? Nothing to do with your 7-8 months math

Thank you for the feedback. This sounds bad to me as CO2 turns to be really expensive on the long run if I need 4-6 canisters of 2Kg a year. I Hoped I can manage it to work 5-6 months at 2bps, 8h a day :(

Hi, I use between 1.5-2 bps CO2, 8h a day. My 2Kg (4.4 lb) canister lasted only 2.5 months before I see a drop in canister pressure (meaning end of liquid phase, so only few days autonomy). Is it normal for my bubble rate or it means I have some leaking?

Bad news so :( It could be my last order from any of these asian discounts It leaked in hose inserts or all the stuff leaks from every where?

Thank you superman, I will give a feedback when I receive mine, hopefully by the end of the week. It could run very well with hose clamps (vendor answered me the small version was 12/16mm tubing). Again, I'll just toss some silicone on the CO2 connection to be sure. About suction cups, many...

These are inline external reactors, not internal. The only thing is I would solder the CO2 inlet with silicone or some super-glue to avoid any leakage. I'll confirm when I receive my pack. Was sent, still waiting

I just ordered the smaller version for my nano. Didn't receive it yet. I won't be playing with it before end september, though. And before, I'll try the atomizer to see if it is ok. If not, I'll give this reactor a try. Unlike the AM1000, the CO2 enters on top. I think it should be modified...

I subscribe to this topic. I found this reg a few days ago, UP taiwan made. I was about to order their 2 gauges one, as I like to know the bottle pressure. But now, they even sell one with a gauge attached Ups, sorry: just saw that your link points already to teh model with solenoid+gauge

Thank you for the feedback, I'll go with 2 of them, for my nano and the 60gal. At least much less expensive than needle wheel pumps, less noisy and no space taken in the tank

This thread comes just on purpose. I was just a about to order one of them for my starting nano and even thought to order one on my 60gal to replace the AM1000. I found an Australian forum where this new device by UP is discussed. Buyers say that at 3bps it will result in a hazy aspect filled...

AM1000 is only available in 12/16mm diameter. I though, plugged in my Eheim 16/22 tubing without adapters, just soldering them with some hose clips. Many did the same without problems before me However, anyone noticing that external reactors filled with some bioballs, like the AM1000 result in...

Thanks for the info, I missed that half-life note. So really annoying more than CO2 after all since I can't leave for one day without putting an automated pump I already ordered 2x500ml, so have to go with them and see

Many thanks for all the info, The bulbs in question are just 1/2in diameter. I heard, from most people expierienced in nano, that the WPG rule is obsolete. These tanks need in fact much more WPG than a non nano to achieve a minimal growth rate for most plants. It could be partly due to the less...

Many thanks ceg for your info. Indeed, it seems I'm confusing it all. It's the first time I run a nano and plan on those lights. I have running a 60gal with EI/T5/CO2 and great success. The lights on the nano will be those small compact fluorescent tubes, G23: Are you sue they are T5? I...

Hi, I'm going to setup a low tech nano shrimp only tank: 11gal tank with 2x11W PC light. It will mainly grow crypts/swords. I ordered some excel hoping to use it instead of CO2. I'm not used to liquid CO2 ferts at all. Will excel be enough CO2 on such a tank or no? If I plan not to do...