Hi Customer (name blocked for privacy). Thank you for asking your question on Just Answer. The other experts and I are working on your answer. By the way, it would help us to know:
Tell me more about the white area. Does it look like a film or covering, look like salt specks, look like small fluffs of cotton? What size tank are the fish in and how many fish.
Filtration in the tank?
How often do you do a partial water change?
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