| Quote : Airstone over night is just to oxygenate the water really well before bringing it into pond or does this help in some other ways?
Using the airstone has duo functions the 1st of which is more important.
1. Get rid of chlorine. I used to test the chlorine level regularly before replenishing my pond with this stored water (before I installed my activated carbon prefilter). Almost invariably zero.
2. Oxygenation.
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