Phosphorus deficiency?

My plants keep getting these brown spots during flower a lot of leafs turn bright yellow, crunchy and dies off. I'm currently using tap water, maxibloom, calmag at 5ml per gallon.
pH at 5.8-6.1
Growing in Mother earth coco
1000wats of kingbrite

P is locked out. Bet the runoff pH is different from the 5.8-6.1 you're putting in.

I think it has to do with watering practices. Coco is practically hydro and need to be treated different than soil plants. How often do you feed and at what strength? Cheers!

who said anything about soil?

jerkishbear said:

who said anything about soil?

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Nobody? I was asking him about feeding strength and frequency.

Wastei said:

Nobody? I was asking him about feeding strength and frequency.

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I guess "Coco is practically hydro and need to be treated different than soil plants" was just for educational purposes?

jerkishbear said:

I guess "Coco is practically hydro and need to be treated different than soil plants" was just for educational purposes?

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Are you completely all there dude? What's wrong about that statement in your opinion? What are you trying to put forward to help OP out?

are YOU completely all there? read the first reply to OP to see what i put forward.

jerkishbear said:

are YOU completely all there? read the first reply to OP to see what i put forward.

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You make assumptions without any real data to work with, yeah you CLEARLY know what you're talking about.

Congratulations you're the first one to be put on the ignore list. You're just out to argue, not helping OP out.

Wastei said:

You make assumptions without any real data to work with, yeah you CLEARLY know what you're talking about.

Congratulations you're the first one to be put on the ignore list. You're just out to argue, not helping OP out.

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clearly you haven't been growing long enough to recognize clear as day, obvious deficiencies caused by lockout. and YOU'RE not helping OP out. he's looking for a solution. you're coming here with "i think it's watering practices." & "coco is different from soil"?? gtfoh rook.

jerkishbear said:

clearly you haven't been growing long enough to recognize clear as day, obvious deficiencies caused by lockout. and YOU'RE not helping OP out. he's looking for a solution. you're coming here with "i think it's watering practices." & "coco is different from soil"?? gtfoh rook.

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Mate are you broken? His comment was much more useful than yours, you gave 0 info you just simply made an idiotic statement that does not help (to an extent). He was asking about feeding practices to work out if he feeds at a strength too strong etc, to then work out a solution. All you did was make an assumption that may not be correct, stay in your lane fr

Wastei said:

I think it has to do with watering practices. Coco is practically hydro and need to be treated different than soil plants. How often do you feed and at what strength? Cheers!

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I only feed once a day but until like 10-20% runoff.. I feed maxi gro at 7grams per gallon of water. I can't feed more than once a day unless I have a auto drip feed. Do u think that's the problem??

jerkishbear said:

who said anything about soil?

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He did actually say ' Growing in Mother Earth COCO!' aka Fake soil.
Besides, look past the plants and you can clearly see they are sitting in soil pots. 2 are in soil the others are in rockwool.. Open those oculus