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Recent content by CC38EL
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If your tank is full and you're going to use it within 6 months, I'd say you're fine. If it's even 3/4 full or it will sit longer, I would put in a biocide or some other additive to prevent/kill algae.
Nasty stuff to get rid of.
We have used gravel also. And depending on what they call it where you live, #2 stone or #2 chip here is the kind that once you compress it, it's like concrete. Your local gravel guy should know exactly.
It also doesn't move too much or settle....except for the initial settling when you...