i curently have a 20 gallon salt water aqaurium and i'm getting a 5o gallon. i'm using a good crushed coral skeliton substrate but it won't be enough for a 50 gallon obviously, so i'm gonna need something else however the crushed coral substrate is kinda expensive so i thought i could mix it with regular sand or just use gravle. i am also having another problem about my tank that i need help on in another section so if you can help with that please give me your opinion
-Thank You.:evil:
Aragonite sand is the ideal, but can be somewhat costly. "Regular" sand will also turn live over time. I have also seen people use play sand in their reefs, and if you are looking to save money it would be best ($4 for 50lbs).
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