Cenaltakahuna Posted August 11, 2009 Report Share Posted August 11, 2009 Wondering if anybody has ever used crushed glass sand #30-50 as a substrate? If not any thoughts on it's use and comparisons to crushed coral. Thanks Quote Link to comment Share on other sites More sharing options...
DiscusKeeper403 Posted August 11, 2009 Report Share Posted August 11, 2009 Crushed coral will increase your pH. I don't think I would use glass shards as a substrate, seems risky to me... Quote Link to comment Share on other sites More sharing options...
jvision Posted August 11, 2009 Report Share Posted August 11, 2009 What kind of fish you thinking of keeping in the tank? I'm not sure if I'd keep fish that sift sand thru their gills, but it should be fine - should be like any other silica-based substrate. Quote Link to comment Share on other sites More sharing options...
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