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Salt or Mold?


New Member

I see this white stuff on the edge of the rapid rooter....is it mold or is it just salt build up?

Please help!!!!

And thanks in advance for any helpful info!!!!

BWC BayArea

Member of the Month: 3rd Place Winner
Looks like nute salts. Take a lil between ur fingers and roll it around. If its firm, coarse, and gritty then yup more than likely it salt. When u feed do u feed until nutes are at the rim of the pot and then drains thru the medium? That's the only way it makes sense to me to get salt build up right there.
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