2 of these:
If the link works. They are current USA orbit marines. I find they feed the hair algae really well!
thanks
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2 of these:
If the link works. They are current USA orbit marines. I find they feed the hair algae really well!
I already have 2 bio blocks in the sump.Your tank isn't going to be able to support life without sand or rocks, unless you're putting something in the sump to take it's place