Yeah even 50 ' will be a lot of head pressure for a power head.
i still like using my old venturi valve skimmer as my ozone reactor and run it very dry for skimmate and I use a very large needle wheel for skimming wet.
Al
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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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