Estes Black Ultra Reef Sand
I just put 20 lb of this sand in my 20g long after letting it soak for an hour in a bucket. When I dumped it in with my net, there were clumps of sand everywhere, some of which floated to the top when I pressed down on the sand bed. I scooped what I could from the surface, but gave up eventually.
How can I get rid of all the clumps? Also the grain size of this sand is rather small. Would I have to run my finger through the sand bed every week to make sure pockets of CO2 don't form?