It may do something, but what I sure can't imagine. Never vacuum again? OK how do you remove mulm (detritus and waste?)How do you replace the needed trace elements that are in the water column? Looks like it is a fancy UV Sterilizer on a pump. I wouldn't even bother.
It claims it replenishes trace elements, how? It would mean dosing them. Dosing is room for fatal error. Everything it claims is part of what a UV Sterilizer does. However I have never heard of replenishing expended trace elements just by UV.
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MulmDefinition: Mulm is the undecomposed fish wastes and other solid matter that accumulates in the aquarium as a fine, brownish, fluffy material requiring periodic removal by siphoning.
yeah I know this too but I am really so darn tired of the brown diatoms on the glass and the sand. when I check the water everything is in line and very low. I only have 2 fish and a handfull of small corals in the tank right now. the tank 8is 150 gallons with a 50 gallon sump (utilizing about 35 gallons). I have 2 korlia 4s, a mag 12 for return from the sump and a 3600 gph for a closed loop thru an ocean motions 4 way drum but I still seem to have some dead spots. yet I see others tank that are extremely nice but not as much flow.