nutrient amount

Hi Everyone! Can you please tell me what is this discoloration on my seedling? The seedling is 34 days old counted from planting.There were two more nodes under these current nodes,but they got crackling dry and then dropped off. Also the tip of the bigger leaves on one side is turning...

How much of each do cannabis plants need to successfully grow for example I use Fox farms Happy frog which contains 0.30% N 0.30% P and 0.5% k. I read that this is enough to supply the plant for up to 3 months or something like that and I'm just wondering if that's enough nutrients then how much...

Hi all, I have a kush 'n' cookies in flower that has some nutrient deficiencies I can't quite figure out. This is my first grow in years and my first post here. Besides the perlite everything else is new to me (lights, nutes, strain). She is growing entirely in perlite, 5 gallon pot ~30 days...

Can anyone explain what I've done wrong? plants are beginning their fourth week and all was well until the bottom leaves began yellowing. I use RAW grow - 7-4-5, which came with the hydroponic grow box I purchased. I have two plants and both are showing the same symptoms. Ph was usually...

My plants are about to be in the vegetative stage, just started recently. So I got myself a bottle of high nitrogen liquid fertilizer. its not made for cannabis but I guess it's the best N-P-K combo I could find. I need help on how to mix it up or how to use it basically. based on ur previous...

Greetings, I have grown some plants outside. I am now going to try and grow some plants in 2 gallon pots inside. I am wondering how I can calculate the optimal amount of nutrients to feed the plants given that I am watering the two gallon pots correctly. I use the "how heavy is the pot"...