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Does anyone know what deficiency is causing this?

With only a couple of harvests under my belt I'm trying to be as pro active as possible this time out. So I'm reaching out for help on this one. I have 2 super silver haze seedlings in 1-gallon pots with a coco and perlite mix. My girls look a little off to me (see photos). They both look a...

Pardon my dumb question. I bought a 32x32x63 grow tent. However, when I hear about grow spaces it's 2x2, 2x3, 4x4 etc. Does anyone know where does my tent fall into in those terms?

Curious if you can germinate a seed in organic seed starter soil and transplant to coco. Anybody have experience doing that?

I started a Girl Scout Cookies Extreme autoflower (12/9/21) in a 1/2 gallon fabric pot as a winter experiment. Plant has looked good and reacted well during the whole grow until recently. I've noticed some white spotting on some of the leaves. Does anyone know what this is and how to correct...

I mixed a medium batch that is 7 parts coco coir (double buffered, CaliMag), 2 parts perlite, and 2 parts worm castings. I did a slurry test and the pH=6.7 PPM=779 EC=1.65 TDS=968. I'd like to lower these numbers across the board before I plant into this mix. Does anybody have any idea how to do...

I have some extra 2 cu ft bags of Terracraft Potting Soil mix that I want to amend and use for an organic crop. I have some mycorrhizal fungi, yucca meal, kelp meal, bone meal, diatomaceous earth, oyster shell, humus and lime that I want to introduce to the soil. Anybody know how much of each I...

I am going to be using the Canna products line for both my coco plants and my soil plants. I’ll be using 5-gallon fabric pots for both.The problem is I am not clear on a nutrient schedule for my plants. I find that the Canna grow guides and nutrient schedules are referring to tank size when...

I'm ready to experiment with different grow mediums and nutrients. My question is, can you grow a decent plant with Fox Farm Ocean Forest soil and Canna nutes, specifically Terra Vega and Terra Flores?

I have a Vivosun 32"x32"63" grow tent. Does that equate to a 2x4 or 2x3 grow space?

Newbie here. I have a 2x2 grow tent setup. I am very unhappy with my current LED lights. I have 2 Loyoug1000W LED Full Spectrum Plant Grow Lamps I bought on Amazon. They were good in the veg stage but once my plants (Girl Scout Cookies) started flowering they started stretching - no matter light...