Aquatopia Posted April 9, 2006 Report Share Posted April 9, 2006 Hi I am setting up a freshwater system for guppies and will be using a large external canister filter. It has half a tray of noodles, one full tray with foam and the other is free. I have a few kilos of ocean rock that i was going to use in a marine set up but that is on hold - was wondering if i broke it up whether it would be as good as say ehfisubstrat or similar media ? Thanks Quote Link to comment Share on other sites More sharing options...
Ira Posted April 9, 2006 Report Share Posted April 9, 2006 Sure, but it will significantly increase your PH. Quote Link to comment Share on other sites More sharing options...
Aquatopia Posted April 9, 2006 Author Report Share Posted April 9, 2006 Cheers Ira - i KNEW there was something i overlooked. Anyone got any ehfisubstrat going cheap ? Lol Quote Link to comment Share on other sites More sharing options...
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