Rust spots fan leaves please help:(

Mr black thumb

Well-Known Member
I am gonna buy the oh test strips so i have an idea of my ph and what should i do i guess wait a week or so i just changed resevior and uptook my nutrients 10ml eqch one but only 2 plants of the 4 have the spots other 2 are healthy
Get on Amazon you can get a pH meter and 7.0 calibration fluid for $25 bucks it's one of the best investments.
 
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