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Ya I use r/o which is why I cal mag every watering which may or may not be needed every watering but I do it just to be safe... I might cut back to every other watering on cal mag

My guesses of the problem is 1. Ph 2. P or k def because I know the cal is in the soil but idk if ph is locking it out or if p and k just needed some amending

Ya I’m no pro and far from a confident grower but that how i have done it every time I’ve grown.... I was just trying to find out what is causing the brown spots with some slight yellow around it

I used down to earth rose and flower mix 4-8-4 to top dress this morning for first time and use general hydroponics cal mag mixed in my water every watering since week 1 I never ph’ed it until today should I continue phing?

315 cmh

I let the soil get very dry before watering; I water 2 times a week at the most cal mag every time never ph’ed either but started Phing today

I’m about 5 weeks in veg using ffof. I only been giving cal mag every watering and was not phing. Any ideas of what’s the cause of these brown spots? Calcium? I starting phing cal mag to 6.9 today and top dressed with some 4-8-4

I starting phing today at 6.9 and gave it a 4-8-4 top dress I plan on flipping very soon

I’m about 5 weeks in veg using ffof. I only been giving cal mag every feeding and was not phing. Any ideas of what’s the cause of these brown spots? Calcium?

How’s it going?

What are you growing in? And what Nute line are you using? Things look good

What size tent are you going to flower In

Are you feeding any nutes? Or cal-mag? Are you using tap or ro?

Where are they shipping from ?

What site are those from

I’ll go with tomahto lol you something else :clap:

Lol ok so it’s a type of leds ; potato/patato

Which board is that

They work great for me in a 10x12 room and blurples are the leds with red/blues and such: which I would barely even want to use; only on seedlings if anything