smbjedi May the fish be with you. Dec 20, 2006 343 0 16 Dallas, TX Apr 12, 2007 #1 does anyone know of an in tank tester? have seen a small glass bulb with liquid inside that changes colors according to how much co2 is in the water, would like to find one like that. :read:
does anyone know of an in tank tester? have seen a small glass bulb with liquid inside that changes colors according to how much co2 is in the water, would like to find one like that. :read:
Mgamer20o0 BobsTropicalPlants.com Staff member Jun 4, 2003 31,221 19 89 www.bobstropicalplants.com Apr 12, 2007 #2 ebay. drop checker. you can also use the ph and kh to figure it out also.
