Pump for a 70g

[pytonson]

I use 2 eheim 2048 pumps in my 70g aquarium. They pump 600l/h each (150g/h). It is enough?

 

[NoRtHbAyKeEpEr]

I'd say no.

6 to 10 rotations is usually the standard proceedure and if you plan on keeping dirty fish shoot for the 10.

150gallons/hour x 2 = 300 gallons/hour
______________ = 4.3 rotations per hour
70 gallons