I love mine using only one vortech plus a wavebox on 60 x 24 x 18 110 gallon.
Cant keep sand in place with vortech on high speed.
These are very efficient powerheads and provide superb flow with little heat generation.
I cant see a need for four of them unless tank is over 400 gallons. And the new controllers do not provide as good of a wave as the Tunze wavebox does.
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265G 40G sump, 3X250W 15000K, T5 Actinics, Marine Tech 600 NW w Sanders 200mg/H ozonizer,Dart w/ OM 4 way, Vortech Mp40,Tunze wavebox,Calcium reactor, Fauna Marin low nutrient system.
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