1. What powerhead do you recommend? How many g/ph do I need?
I think you'll see a consensus for MaxiJet powerheads here, IMO
they are one of (if not the
) best. GPH
....Really depends on what you wanna keep in your tank. I have a flow rate of over 20 X per hour in my tank and that works for me, it may not work for you. I would look at a min of 370-400gph, split between 2-3 powerheads.
2. Can I put any inverts or snails in right away?
I wouldn't recommend it, once the initial cycle is complete, then a clean up crew can be added, knowing that they may need supplamental feeding. The problem there is, once the tank is cycled and there are critters in it, you need to make certain when you add more rock, that it is cured. This can be done by purchasing cured rock from the LFS
or curing the rock in a seperate container at your house. This can be accoplished with either rubbermaid tubs or garbage cans or 5 gallon buckets, or a spare tank.