I have found the Dc pumps quite but a little less reliable. But it's a trade off because of the controllability aspect. I also find the impellor replacement is cheaper on the Dc I own for some reason .
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150 gallon reef mostly softies/lps. 50 gal sump with bubble magnus skimmer/ Led fuge light/refugium/ 1200 return and tunze powerheads. Dual pharoah main tank led.4 pump dosser.
550 gallon stingray tank water drip system
150 bowfront. 75 turtle tank, many others
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