Vinegar and baking soda in holding tanks?
Forgive me: Age-old subject beat to pieces! We have used strong vinegar to clean our holding tanks before and get gauges working. Have heard others mention using vinegar AND baking soda. We know h...
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Ours work reasonably well when we keep moving about. However, when parked here in Zihuatanejo for three months not so much. The potable water gauges work fine, the grey and black not so much. IF after dumping I refill them with water and dump again, as I did yesterday, they will read 2/3 full until about (guessing) 1/2 full when they read full.
