Alk drop without live stock?

[Kevinkmk]

You are not dosing anything in that area?

I do dose two part in my return area where it has precipitation. However my other sump area also has white film on them, so as the heater

 

[Randy Holmes-Farley Verified Community Expert]

I do dose two part in my return area where it has precipitation. However my other sump area also has white film on them, so as the heater

Heaters and pumps get precipitation because calcium carbonate is less soluble in warm water.

 

[Randy Holmes-Farley Verified Community Expert]

I do dose two part in my return area where it has precipitation. However my other sump area also has white film on them, so as the heater

Heaters and pumps get precipitation because calcium carbonate is less soluble in warm water.