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Nute burn?

LAzerBEANstarted grow question 5 years ago

Everytime I water the plants show signs of burn. I use lemon for pH down .5 tspn per gallon and cal/mag/iron 5 ml. All other strains are doing great. What gives?

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Leaves. Curl down

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Fruitgroweranswered grow question 5 years ago

What is the ph and ppm of your water before adding lemon. If its in our not far from the 5.8-6.9 range then don't add lemon. The soil will buffer. Do you check your soil ph before grow? This is something I learned to do in my early grows. Some soil can be very alkaline like 7-9 and needs adjusting to bring this down.

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Fusionanswered grow question 5 years ago

Not sure if watering with straight tap water but could be clorine poisoning. Let the water sit for 24 hrs before watering.

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