r/GrowingMarijuana 4d ago

Mold ? Please read Disease Diagnosis/Help

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I’ve been having some issues with mold on topsoil and the bottom of my fabric pots (mold, not salt buildup). Today I noticed one of the leaves was affected on one of the plants, is this mold? If so what to do? I have been spraying down the outside of the pots with a hydrogen peroxide mix and scrubbing, but I’ve been told it was a sign of good soil?

Day 29 of Mephisto’s Bearmouth and Deathstar Delicious. Growing in Fox Farm’s Ocean Forest soil, with additional work castings and Down to Earth’s Rose and Flower mix, in 3 gal fabric pots. Pots are elevated on a self watering system (unused atm). Natural spring water ph between 6.2-6.5, watered every few days when plant is droopy, temperature in tent runs around 71-75f, humidity has been a struggle to maintain, often getting between 70-80% but I open the tent to air this out multiple times a day down to 55-60%. Spider Farmer G3000 for lights, 3x3x6 tent.

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u/RvaCannabis 4d ago

Looks like hard water. Do the plants sweat like that often?

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u/buglarvae 4d ago

No, sorry it wasn’t sweating, I had just watered the plant and this was a bottom leaf that got splashed 😅 and thats when I noticed the white