Need air pump and heater for 300g asap rockey

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Hey Guys,

What air pump and heaters do you recommend for 300 gallon tank? I have a 120-150 gallon sump tank.

Thanks everyone!

I also need to pick up some bio balls too.

 

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What do you guys think of this one?

https://www.amazon.com/Tetra-26075-...&sr=8-1&keywords=300gallon+aquarium+pump&th=1