ms705jk
Aquarium Advice Freak
You just have to play with it. If you had two tall islands you could point your 1200 across the tank at the top of the farthest rock pile. This way it defuses some up the power and doesnt move a ton of sand. My small 420 just keeps the detritus from building up behind the rocks where i cannot clean. My 1200 is placed lower in the tank up points up and into the corner. This way the water surface takes the initial blast. That way i dont have a bare spot in the bottom with no sand. It took a lot of different positions to find the sweet spot.
How many gallons is your tank?
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How many gallons is your tank?
Sent from my SM-G900P using Tapatalk