于 2008-06-27 16:15 i'm now using the Cayman aquarium ( 120L) with the blue wave 05 filter and extra buttom filter lighting by philps aqua coral 18QW (all recommended by a shop)
the pH after water change is around 7.8, then gradually dropped to 7.55 i had tried adding a whole bottle of pH buffer( gradually)..no effect at all