cyclonenat Posted August 15, 2016 Report Share Posted August 15, 2016 How deep should i do the substrate in my 60L tank please i have cories so want a good depth they can dig in etc Quote Link to comment Share on other sites More sharing options...
hovmoller Posted August 16, 2016 Report Share Posted August 16, 2016 I'd say around 15mm only.. You don't want it too deep as it will get stagnant down deep and toxic for your fish..Cories do love their sand! Quote Link to comment Share on other sites More sharing options...
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