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Hagen AquaClear 20 Powerhead
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Adding a power head to an under gravel system increases water flow through a gravel substrate and improves its
filtering efficiency. It also oxygenates water and, in the process, provides needed oxygen
to colonies of beneficial bacteria in the gravel which optimizes their biological
filtration capabilities. Easily fitted to most under gravel systems, Hagen's
AquaClear powerheads come
equipped with a tapered riser stem adapter which accepts .5" to 1.125" tubing.
Rim clamp firmly holds it in place atop the riser stem and an optional suction cup bracket
which allows the unit to hang from an aquarium wall instead of the rim. The
Reverse Flow Operation of the AquaClear 50 & 70 allows both forward and
reverse water flow which keeps the substrate cleaner by forcing debris to the
top. (Formerly AquaClear 201)
*Double the aquarium size by using two AquaClear Powerheads
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