The Grow Awards 2026 🏆
Start My Diary
Start My Diary
 Login
Start My DiaryHomeDiariesStrainsShortsQuestionsContestsGrowersSeedsBreedersNutrientsEquipmentBlog
LoginSign Up
Following Follow Brands & Growers to get updates
Back to Grow Questions

Does this look like beginning of Cal Mag def ? Or maybe some sort of pest ? Thanks for any help =)

Growhouse_MLT
Growhouse_MLTstarted grow question 2y ago
Does this look like beginning of Cal Mag def ? Or maybe some sort of pest ? Thanks for any help =)
Growhouse_MLTGrowhouse_MLT
Solved
Week 2
likes
Organoman
Organomananswered grow question 2y ago
No, it looks like burn marks from getting water/fertilizer on the leaves when the lights are still on.
1 like
Complain
Selected By The Grower
Hashy
Hashyanswered grow question 2y ago
Most likely what organoman said, Water droplets getting magnified by the light and burning the leaf below.
likes
Complain