Had this last couple grows

I currently have a Girl Scout Cookies from OA Seeds going in FF Happy Frog. It's on Day 60 from seed and vegged 29 days. So 31 days from flip. Straight tap water. Under HLG 600R. I have some leaves near middle that develop spots and curl up on ends and die off. I have had this problem in different amounts over last couple of grows. Water PH stays right around 7. Not sure if its a lack of nutrients or something else. Any help is appreciated.

Feed them. Sounds like you've been giving them just water only?

pH can be lowered closer to 6-6.5 and you should top dress and/or feed

HF ph out of bag is 6.3 - similar to ffof.

You are outside of range and locking out elements.
Bring it close to range of medium and suitable ph geared for “ soil “ - Target 6.6/6.7 and stay there.

Budzbuddha said:

HF ph out of bag is 6.3 - similar to ffof.

You are outside of range and locking out elements.
Bring it close to range of medium and suitable ph geared for “ soil “ - Target 6.6/6.7 and stay there.

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I forgot to add that I did top dress with an inch or so of FFHF last week. I kinda thought that the 6.3 PH of the soil would average out the waters PH of 7. So should I lower the waters PH?

Magnesium deficiency and probably calcium deficient as well. It’s at that time. 4-5 weeks into flower.