Thread: Airlock in bottom drain

Hi guys hoping you can help I’m a new koi keeper I installed a spindrift aireated bottom drain.but i keep getting an airlock when the pump is running anyone have this problem

Originally Posted by Brian H

Hi guys hoping you can help I’m a new koi keeper I installed a spindrift aireated bottom drain.but i keep getting an airlock when the pump is running anyone have this problem

No, in short. Would you be able to describe your filter and pump set up in a bit more detail

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Originally Posted by Brian H

Hi guys hoping you can help I’m a new koi keeper I installed a spindrift aireated bottom drain.but i keep getting an airlock when the pump is running anyone have this problem

I have a 2000gallon pond Oase gravity fed drum filter evolution pump and uv an air pump the water level is perfect when nothing is switched on but when the air an pump go on the water level drops I tried turning down the pump but it did not help when you turn off the pump a big air bubble comes out of the bottom drain I have an aireated drain

Hmmmm. The levels can drop as you get a small increase in pressure due to the pump. It's not much on my pond, maybe 25mm max in filter running levels between pump off and pump flat out. The air bubble you get is slightly odd. Do you have the same issue when only running the pump WITHOUT the air pump? Wondering if the airline pipe to the air dome is leaking??

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