[i have crabs]

Originally Posted by Dez

Looking good so far. One quick question. What happens when the power goes out? With your return plumbing running mid and low in the tank, won't all that water siphon out when the power goes out and drain half your tank?

I would run the line from your return pump near the water surface. Even with a check valve, the check valve could fail with anything getting caught in there.

Des

thats what i thought when i seen your return line, makes me a bit scared for you,
other than that tank looks great