If you are referring to Air pumped from an "aerator' Then the answer is "none". A filter is needed not an air pump.
How much gravel for 200 gallon tank
To fill the 30-gallon tank, you would need to use the pesticide and water in a ratio of 4 ounces to 1 gallon. Therefore, you would need 120 ounces (30 gallons x 4 ounces) of pesticide to fill the 30-gallon tank.
It depends on the size of the tank. Ideally most people get 5 gallon buckets of reef salt for ideal tanks.
5 milk jugs becase a 5gallon tank is five1 gallon milk jug
it ither has the 15 gallon tank or the optional 20 gallon tank which was not used as much in the strait 6
10 awg
There is no true measurement for lbs. of live rock to gallons of water. The rule usually states 1lbs per gallon but that can be too much. You do not want to displace too much water.
2350lbs. on average
Explosively with the addition of the necessary activation energy. The tiniest spark will be all that is needed but there won't be much left of your tank afterwards.
1-4 crabs need a 10-gallon tank and 5-8 need a 20-gallon tank and 9-12 need a 25-gallon tank thanks,mickey
10 gallons.
It depends what with and where you are.