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I believe the reason why this happened, because before you were leaving the plants were in the transitional stage. Before the transitional stage, plant uses allot of nitrogen and as soon as rapid flowering begins, nitrogen used in significantly lower quantity thus the concentration in soil was...

There is too much nitrogen in the medium, look at the color of the leaves. Autos are very delicate plants, extremely sensitive to nutrient, even an insignificant overdose will lead to allot of problems. Autos should not be given any fertilizers unless visible signs of deficiency appear such as...

Glad to be helpful)

I don't take it as an argument. If you are interested, I am happy to explain. Perlite do not have the property to absorb nutrients and slowly release like soil, which means nutrients are not distributed equally in the mix. So roots that are touching soil absorbing fertilizers at the rate 1.2 EC...

No, perlite do not dilute the concentration of fertilizers in the mix, all it does is reduces the surface area. It means there fewer fertilizers according to weight but they released and absorbed at the same rate (1.2 EC).

Good question mate, light mix is a very relative meaning. It's might be light for some huge tomato plants but not for auto genetic cannabis. According to the manufacturers concentration of fertilizers in the mix is at 1.2 EC which is equivalent to 600 PPM and for auto genetics is a toxic...

It's an organic soil, I would not flush it as you may disturb some important biosynthetic processes and stunt the plant for a while. Just give it water and let soil dry out before every watering and it will do fine! I don't have any experience with biobizz but in plant magic soil the runoff pH...

I suppose this is an autoflowering genetics?

definitely no fertilizers, use water only, until you see plant starts to turn light green color. According to its current color, it suffers from nitrogen toxicity. Just keep an eye on cal/mag deficiency.

I believe this is a toxicity! Deficiencies usually progress allot more gradually. It may look like deficiency only because the high concentration of fertilizers mess up the pH.

The picture of the whole plant would be useful. However, with the auto flowering genetics deficiency happens very rarely. If its toxicity and you increase the PPM concentration in your medium, the plant may die in no time. I suspect a toxicity as the dark green colour of the leaves indicates...

also, reduce the level of your water in the reservoir so it's just slightly below the pebbles

Hi, impurities on clay pebbles cause pH to rise. Clay pebbles must be washed properly and then soaked in acidic water. What I suggest, take basket with pebbles out of the system and flush it properly with pHed water.

You killing it with all these additives, all it needs is a full dose of main NPK bloom and half dose of cal mag, PK boost only needed on the 3rd week before harvest and on until week 1 before harvest. Then just feed water only, let bitches cannibalize themselves :))))

You are spraying the top of the soil but inside it's totally dry. My theory, while roots were close to the top it was doing well, but as soon as roots reached the dry part of the soil they dried out. When you water first time you need to saturate soil with water and only then spray water as top...

guys, please don't murder me, I didn't say LED won't do the job. I was talking about particular one that actionbone using, to be more precise I meant 100 watt of LED is not enough for 6 plants to flower anything that worth the risk and all this work even if it is the best quality one. I have...

Oh ok sorry my bad, but in any case it is an intoxication as it can't be deficiency at this stage and at this e.c. concentration. Also, the pH of runoff is perfect thus it can't be lockout. I am not saying LED is bad, I meant 100W is too little for flowering but if you have a more powerful...

Forgot to mention, with this LED you won't get much yield if any at all, and quality will be very poor. Invest in HID it's very affordable these days:)

Is your tap water filtered with RO system? The reason why I asked is because unfiltered tap water is beneficial for plants (if PPM 150 or below). Anyway, your problem is that you added booster at the beginning of vegetive stage, and all boosters are designed to boost PK level for flowering...

Hello mate Sorry to hear you having problems with your grow. However at this stage it is fixable if actions are taken immediately. But before I can give an advice I need you to answer some questions. 1. strain type - autoflowering or photoperiod? 2. what is the pH and PPM of your tap water...