for me the toughest to maintain is fine sand, really it's almost un vacuum-able, with a special caviot to white sand, as all the non sand shows up greatly, I actually like my black sand tank...
for use with an under gravel filter, I prefer small river gravel with worn edges, I like the natural brown color... I've purchased this 4 times, it's always been washed clean enough, that I could just add it to the tanks...
what say you???
for use with an under gravel filter, I prefer small river gravel with worn edges, I like the natural brown color... I've purchased this 4 times, it's always been washed clean enough, that I could just add it to the tanks...
what say you???
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