Quote:
Originally posted by Big Poppa Puff
Those pre-mixed nute soils are formulated for outdoor growth of heavy flowering, hybridized annuals and not for indoor growth of MJ. The heat, humidity, and increased light time break the time release cycle leaching the fertilizers out at an increased rate and lowering the soil pH quicker. Now not eevryone has this problem, but a majority of the growers do. Based on that, we don't recommend the Miracle gro potting soils.
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Wow, that's awesome to know, thanks. For the record I HAVE been having problems with the plants taking up N even though I am providing plenty of it, lately. I will switch to a plain potting soil or unadulterated compost next time I need medium.
edit: after careful consideration and excercise of my memory I have decided that nutrient filled potting soil is still GREAT for starting plants.. I have not had any problems until they're about 8 or 10 inches tall, i have dusted my pots with a little lime now and then, it seems to help.