d2mini
Premium Member
Good to know, thanks.Tin is common to see
It is sand.Sorry about your fish I know it's a pain to start over but you are pretty good at it
Have you considered using regular sand instead of crushed coral. So much gunk builds up over time in crushed coral.
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It has some larger bits in it but it's straight off the very top layer of the ocean floor.
Made up of everything from sugar fine particles to broken shells.