fishgirl53 Posted February 16, 2011 Report Share Posted February 16, 2011 Hi everyone I have a good amount of black substrate in my 5 ft tank one medium size coral thinking about getting another one my tap water is 7ph just wondering if I can use the rest of my rocks in lime stone only the white looks really nice against the black was going to use half grey rocks and half lime but if it is not going to push my ph up to high I would rather use lime stone I can get plenty of it I will be putting in African Cichlids sorry about some of these dumb questions I have always only had a community tank so am new to Cichlids and a larger tank with a cannister probably have lots more to ask you all you's have all been very helpful and I certainly appreciate it cheers for now Joy Quote Link to comment Share on other sites More sharing options...
Joshlikesfish Posted February 16, 2011 Report Share Posted February 16, 2011 Whats the pH of the tank water? Quote Link to comment Share on other sites More sharing options...
ryanjury Posted February 16, 2011 Report Share Posted February 16, 2011 The PH wont keep increasing as you add more coral rock, it will stabilise at a level so you can add as much as you like it is hard to determine a minimum amount that is needed as it is so dependant on many variables. Quote Link to comment Share on other sites More sharing options...
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