how much sand

  • We are currently upgrading MFK. thanks! -neo
Maybe its because I used pool filter sand , but I'm not finding that calculator too accurate. For my 75gal(18"x48") tank I used roughly 70lbs of PFS and that yielded well over 2.5" of substrate depth. Calculator estimated I would need 100lb sand to yield just 2" depth for this tank.
 
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