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Question Zinc Lockout

tbgrow247
(@tbgrow247)
Terpinolene
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I'm pretty sure I'm experiencing zinc lockout. I'm growing in soil. I fertilize every 3 wks with organic 5.4.4. granular. I was also using calmage every other week. I test my ph of water each time I water 6.5. I'm not over watering or under watering. I've tested my soil run for ph and it was 6.0. I've tested the soil with a soil testing kit. One you put a little bit of soil in a chamber, open the capsule, and then add distilled water. That ph test usually reads about 6.5 maybe a little higher. I've done this rapid soil test twice once with a dirt sample from the top, then a sample from about 3 inches deep. I have a two prong ph tester for the soil, but that one reads high 7 to almost 8. How can I know which one is right? I've flushed the plants twice and plants are still yellowing bad.

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Topic starter Posted : April 8, 2021 5:52 am
Hart, WoodI2, 3plantsPete and 3 people liked
Chillbert
(@chillbert)
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@tbgrow247 hi mate

sounds like nutrient uptake is an issue.. perhaps caused by pH / lock out or by an excess / shortage 

Difficult to comment on the prongs as I don’t use em... 

How old is your plant/ what stage btw?

544 npk ok for veg but should be other way for flower ie more like 4:5:5 and then 2:5:7 towards second half of flower 

Humic acid can help correct pH which can be bought or made with compost tea or similar btw

a picture may help with diagnosis / get more opinions 

sorry can’t be more help at this point 

btw thanks for your lyrical reply to my WFT diary post 👌 loved it 

Time to pop some more beans 😗

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Posted : April 8, 2021 9:12 am
Hart, WoodI2, Zombie Nation and 3 people liked
3plantsPete
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@tbgrow247 hi mate I’d go with the soil test with where you add water. I’m going to be honest if your growing in soil you don’t really want any run off at all. You’ll be losing nutes each time and if you’ve flushed them twice there won’t be anything for them to eat. There’s a good chance your ladies are hungry and you need to put some nutes back in. Keep soil moist and try minimise the run off. But without a photo it’s pretty hard to tell ✌️

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Posted : April 8, 2021 10:06 am
Hart, WoodI2, Zombie Nation and 3 people liked

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