I bought 129lbs (don't ask) and then plugged it into a calculator afterwards and it claims it'll be between 1.4 and 1.6 inches if leveled out across the tank. My ground footprint is 59x29.5Looks delicious!
I'm trying to figure out how much sand I need... How many pounds did you use for your footprint? I used one of the "sand calculators" and it said 220# for me (at 2" deep), that sounds like twice the amount I'd need, right?
Looks pretty accurate so far, but I don't know how even everything is in there right now. I already knew I was going to be pulling away from the center some to put in the rock so I didn't go too deep to begin with, I figure I'll add more if I need to later.