The Puffer Forum

1. Crushed coral and aragonite sand are both forms of calcium carbonate so both will do the same job it's just that you might have to work a bit harder on tank maintenance if you use the larger grained crushed coral. Unfortunately i don't know how much is needed to cover your base but the packaging...

Thank you! I am leaning towards the sand route, but also leaning towards coral so we'll have to see!

Hello :D I am thinking deeply about a f8 puffer. With some research I am starting to come up with plans and ideas and want to approve of them on here. Shall we get to it? ;) 1 - substrate - crushed coral 1.1) people recommend crushed coral or pool sand as a substrate. I would rather have cc because ...