Low water line inside HOG

[SantaMonica]

This HOG2, on the inside of a sump, has an internal water line that is lower than the water line of the sump. This is because not enough air is getting out of the hole at the top, which is usually caused by growth covering the hole, but sometimes it can caused by too much air being pumped in. In this case, just reduce the amount of air, or make the hole bigger.

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