Question

How many cubic feet of air at atmospheric pressure must be pumped into a 20ft^3 tank containing air at atmospheric pressure in order to raise the absolute pressure to 90lb/in^2? Assume temperature remains constant.

Answer 1

Answer:.

1. The airpump is unnecessary, however if its a 20 long i would put it on opposite side of the power filter connected to a sponger filter for extra circulation and filtration.

2. It's best to remove the plants from pot, clean off sponge/gel/whatever they were in off the roots and plant them in gravel.