Quote:
Originally Posted by Tom Barr
Use white silica sand, not Dolomite or aragonite...................
It'll make adding CO2 more trouble.
Regards,
Tom Barr
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Hi sir. I'm not sure where I can get silica sand, LFSs here just sell two kinds of substrate- river sand or beach sand. Anyway, my drop checker (using 4dHK solution) shows yellow-green so it seems c02 is ok. What are the effects of High KH anyway? Thanks!