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#31
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No PH change with DIY CO2
No need to be too concerned. Lots of people use the pressurized tanks
without problems other than occasional leaks. Also, I tried the "Home Depo cheapo" multiple ways and could not get it to stop leaking like a sieve. I think the $20 for a real needle valve is well worth it. But if you can get the cheapo one to work, great. Clearly others have. Bob "Rick" wrote in message ... "Aqua" wrote in message ... seem to be working, and I was out checking on the cost of a pressurized system. About $250.00 for gauge and regulator and another $100 to rent a tank and $35.00 for a fill. The tank rental of course is a one time charge. http://www.dlink.org/aqua/CO2.html -- Thank You Dominic http://www.dlink.org/aqua that was great info., thx. After reading the dangers of using CO2 I'm having 2nd thoughts about it. Rick |
#32
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No PH change with DIY CO2
I know I'm getting into this late. But, this thread has caught my attention.
Alex R wrote: If the pH is not changing, that means there's no extra CO2 being dissolved from your generator. Not necessarily true. My first tank that I injected DIY CO2 was a little 10 gallon moderately planted tank. This tank never did register any pH drop for the first few weeks I was adding CO2. BUT.....from the next day and ever afterwards my plants were pearling like mad as they had never done before. That would seem to mean that the plants were taking in all of the added CO2 that was being injected. Enough such that there was never any excess CO2 to cause the pH to drop. Judge by the plants response as well as the pH to determine if the CO2 is getting into the water. And it's obvious why. You're using an airstone to diffuse your CO2 gas. DIY CO2 cannot be diffused successfully because the pressure needed to run an adequate diffuser must be much higher than the yeast generator can produce. Different stones perform differently. I've run DIY CO2 into several different stones and have others on hand that I haven't tried yet. I have yet to find a stone that has so much resistance that the CO2 couldn't make its way out. Some stones will put your CO2 hardware to the test as far as being leak-proof, though. Seems the better stones, read that stones that make very fine bubbles, need more pressure and a solid leak-proof setup. The wood 'air-stone' is my favorite at the moment. A powerhead would work much better in your case because it would act as a reactor. Or you can inject it directly into your power or canister filter. That's what most people do, I believe. Your CO2 level should increase overnight as much as it will ever increase. Personally, I'm going into the canister intake. As you say, it doesn't take long at all to see what the CO2 level is going to be. One thing I see all the time about adding CO2 and extra lighting that just makes me nuts. ......or would that be more nuts? It seems most people do this bass akwards. Everyone wants to add extra lights and then get around to adding the CO2 'if I need it'. Seems to me, there would be way less grief if the CO2 were added first, THEN add the extra lighting. There would probably be way less complaining about algae. My first tank with 1 wpg and too much direct sunlight contained tons of algae when I started adding the CO2. The algae just went away of its own accord. I've never had much algae (just a couple of spots on the glass at the filter outlet) in my second tank with the CO2 and about 1.5 wpg and the plants grow very well. -- Scott Lewis |
#33
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No PH change with DIY CO2
The Ph will not drop if your kh is high (or less).
Also, don't put too much light with diy co2 because you will probably become co2 limited. It happened to me and the plants suffered from it until i added a co2 bottle. |
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