2 part mc question

Your plants are 5 weeks old and cannot take 400 PPM nutrients WOW. There must be nutrients left in the Bio-bizz light mix soil? That is one of the reasons I don't like precharged soils. You just never know what is in them?

Show me the pictures maybe you have some other problem and not nutrient burn? I run not counting my starting water for autos:

Seed to day 7 150 PPM
Week 2 300 PPM
Week 3 - 4 400 PPM
Week 5 500 PPM
Week 6 on 700 PPM
You can see the slight burn on the tips so I backed off nutes and watered only for 2 to 3 days then started feeding again where I'm at. So far there liking less nutes. They look healthy otherwise. I tried to do 1.25 of part a and 1.25 of part b when they started burning at the tips. I was trying to do half dose of the 2.5 grams each per gallon and she didnt like that so I scaled back on the nitrogen. No more clawing or burning so far. In another week I'll try to up it a little unless they show me sooner than I need too.
 

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You can see the slight burn on the tips so I backed off nutes and watered only for 2 to 3 days then started feeding again where I'm at. So far there liking less nutes. They look healthy otherwise. I tried to do 1.25 of part a and 1.25 of part b when they started burning at the tips. I was trying to do half dose of the 2.5 grams each per gallon and she didnt like that so I scaled back on the nitrogen. No more clawing or burning so far. In another week I'll try to up it a little unless they show me sooner than I need too.
I don't see any signs of over-feeding aside from a tiny bit of tip burn. The plant on the left looks a little limey but could just be the light. Well like I said the must be something remaining in the soil.
 
Your plants are 5 weeks old and cannot take 400 PPM nutrients WOW. There must be nutrients left in the Bio-bizz light mix soil? That is one of the reasons I don't like precharged soils. You just never know what is in them?

Show me the pictures maybe you have some other problem and not nutrient burn? I run not counting my starting water for autos:

Seed to day 7 150 PPM
Week 2 300 PPM
Week 3 - 4 400 PPM
Week 5 500 PPM
Week 6 on 700 PPM
My bluelab combo meter will be in tomorrow. I'll be able to dial ph in better and be able to know my ppm as I have no clue how many ppm I'm feeding now. Im testing ph with the cheap gh liquid drop kit now and I hate not knowing my exact ph. Tomorrow that will all change :D
 
My new ro system comes out at 0ppm water. I added 1.25 grams part A and 1.5 grams part B. Came out to 450 ppm on .500 scale. Adjusted ph to 6.5 and fed the girls. Will see how they respond. The 3 are nice green but the one in the back left corner is wanting more nitrogen for sure. Shes a little yellow but not horrible so I upped my feed a little. Will see how they respond and adjust accordingly. Thanks @Mañ'O'Green for teaching me the math on adjusting nutes. That is easier than I thought and makes perfect sense. I'm just never liked mathand never been good at it but I appreciate you teaching me that formula. Thanks homie. Rep points coming to you for that! I am loving the mega crop 2 part so far. Never tried the 1 part formulas but I am digging the dry powder nutes. Now I can really dial my feedings in with my new combo meter. I love it already. Was so nice to have when I fed my babies today
 
My new ro system comes out at 0ppm water. I added 1.25 grams part A and 1.5 grams part B. Came out to 450 ppm on .500 scale. Adjusted ph to 6.5 and fed the girls. Will see how they respond. The 3 are nice green but the one in the back left corner is wanting more nitrogen for sure. Shes a little yellow but not horrible so I upped my feed a little. Will see how they respond and adjust accordingly. Thanks @Mañ'O'Green for teaching me the math on adjusting nutes. That is easier than I thought and makes perfect sense. I'm just never liked mathand never been good at it but I appreciate you teaching me that formula. Thanks homie. Rep points coming to you for that! I am loving the mega crop 2 part so far. Never tried the 1 part formulas but I am digging the dry powder nutes. Now I can really dial my feedings in with my new combo meter. I love it already. Was so nice to have when I fed my babies today
My wife is a mathfobic She used to totally lock up on a percentage problem. So one day I showed her common fractions = to percentages, it was like I hit a light switch on. She has no problem now. Different peoples brains work different.

I think you are moving in the right direction with the feeding.
 
My wife is a mathfobic She used to totally lock up on a percentage problem. So one day I showed her common fractions = to percentages, it was like I hit a light switch on. She has no problem now. Different peoples brains work different.

I think you are moving in the right direction with the feeding.
I started getting burnt tips from that feeding yesterday. I bumped it back to 1.25 grams of a and 1.25 grams of b to see if that helps today. Shes a light feeder. I dont understand it tho. The back left plant is yellowing at the leaves but I give her more nutes and she burns. Its frustrating me. She may just be a light feeder. I dont know for sure. I hear others running full strength MC and have no problems. But this auto cheese strain just dont like it. I had another grower at growdiaries tell me she was a light feeder early on. I'm thinking they were right
 
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