so maybe its salt build up, i was thinking of putting a check valve at the end to have less doser line with the chem in it exposed to evap. , but ill try raising them further away from tank water.
thanks for the replys. (the nanos doser line that also cruds is 1 inch above water level, the crud is way whiter than the salt creep? my display is my main concern and seems to totally clog up the line at the tank end. )
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CAD 22
brent
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