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Sounds like it may be a fairly new product. I haven't even seen it in the stores but the hydro companies just had all their conventions and crap so all kinds of new products are gonna be coming out.
-------------------- All creatures tremble when faced with violence. All creatures fear death, all love life. If we can only see ourselves in others, then how could we possibly hurt another creature?
I've been using that stuff the last couple months, and as far as I can tell it works great. Be aware there are 2 very similar looking products with different NPK and slightly different ingredients. I think flower girl(4-10-7) is the one most people would want to use and Annual bloom(4-8-4) is for longer flowering stuff. There's also a liquid version with slightly different NPK(1-9-2) and a few different ingredients.
One time I emailed Dr earth asking what they suggest using for cannabis, and they suggested feeding once with the dry stuff and then use the liquid fertilizer for regular feedings. I don't totally understand why, but I just mix the dry stuff with water and sometimes bubble it into a tea. The creator of Dr Earth Milo Shammas actually made an indoor guide for cannabis growers called LSP 258 kit. I attached a PDF version. BTW I've been using their fruit tree fertilizer(7-4-2) for veg instead of the tomato and veggie(5-7-3) and it seems to work fine. It does have 1% extra sulfur, but it never seems to bring down the ph very much and besides that it seems to be all the same ingredients as any other Veg friendly Dr earth ferts. In email they suggest using the liquid tomato veg and herb fertilizer for regular vegetative feedings.
The Dr earth creator Milo said this guide I included was established with the help of professional cannabis club growers.
Will come in handy, looks like Dr. Earth is a winner! And yes, i have seen the other similar products, so anyone using Dr. Earth should pay close attention to the NPK ratios, as each product is unique in their ratios.