1. To reduce NO3 & PO4 . . . . . . . . . . (obsolete)
2. To reduce DOC . . . . . . . . . . . . . . . . (activated carbon, sponges, bacteria)
3. To replenish elements including trace elements . . . . . (balling dosing)
Are there any other genuine reasons to do water changes, specifically for water quality?
2. To reduce DOC . . . . . . . . . . . . . . . . (activated carbon, sponges, bacteria)
3. To replenish elements including trace elements . . . . . (balling dosing)
Are there any other genuine reasons to do water changes, specifically for water quality?