07-10-2008, 06:37 AM
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Originally Posted by okiemavis
Hello, I thought I'd revive this, as I followed these directions (with a few modifications), and I took photos along the way. SAFETY WARNINGS
-Co2 will lower the pH of your water, especially in a tank with low kh (buffering capacity). Water parameters must be carefully monitored after adding co2
-DO NOT use a glass bottle. The gas can build up in the bottle, especially if there is a blockage in the tubing, causing an explosion. Plastic can expand and will be more tolerant of increased pressure. Also, if the bottle explodes, plastic will not become the dangerous shrapnel that glass will be.
I decided to test out a co2 diffuser which I ordered on ebay for $2 (not including shipping), many diffusers will not work with DIY systems because it's not pressurized, but this one is advertised to work:
How is that diffuser working? What kind of pH change did you see after adding the CO2 to the tank?