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I could but I have had this tank set up now for 13 months and this has not happened before. Its running with the same equipment and pumps. What do you think is causing this? Thanks for replying so late. I am hoping to resolve this before going to bed.Could you possibly widen the hole? Or change the style of cap to one designed to allow airflow?
Yes, everything is the same.Besides the whistle, is everything else working correctly?
*cant really see a difWithout knowing for sure, my guess would be buildup in the pipes(calcium, algae, etc) which would create higher pressure, leading to a stronger flow of air being forced through the hole, creating the whistle. If you can try and "snake" your pipes with a long wire brush. I imagine even if you can really see a dif, the pressure in the lines has slightly increased.
I think I figured it out. I have those two sponges sitting at the top of the overflow to cut down on the water noise coming into the overflow. When I rinsed them out yesterday during a wayer change, I guess I didn’t seat them well and there is a small knob to adjust the flow and it was rubbing the black pipe just enough to make the noise! Argh! Thank you so much for trying to help me. Your last suggestion sounded correct and would have been my next option. Thanks again!*cant really see a dif
Good news everyone! Glad you figured it out. Sounds like the best kind of issue. Pain ol operator error. The easiest and cheapest issue to fix.I think I figured it out. I have those two sponges sitting at the top of the overflow to cut down on the water noise coming into the overflow. When I rinsed them out yesterday during a wayer change, I guess I didn’t seat them well and there is a small knob to adjust the flow and it was rubbing the black pipe just enough to make the noise! Argh! Thank you so much for trying to help me. Your last suggestion sounded correct and would have been my next option. Thanks again!