Hi! I bought a 20lb bag at Petco and it was good for my 45 gallon. I would have like just a little bit more, so I would round up when you are doing yours. I would think three bags would be good for you, but it also depends on the base dimensions of your tank in comparison to mine.
answered 1 year, 10 months ago
5out of 5found this answer helpful.
about 5 or 6 bags
answered 1 year, 11 months ago
0out of 0found this answer helpful.