We’ve received a few questions recently about expected pH levels when using GreenTree Premium Soils™. Our suggestions are outlined here. If you have further concerns, please reach out to our retail team at (607) 272-3666. Any member of our team can answer specific questions you may have!

Our premium soil blends are buffered with lime in order to have a stable pH over time. Due to the alkaline nature of both the lime and azomite in our soil, the pH of outputs may be higher than the pH of inputs. Early pH readings may be high...

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Plants are much more sensitive to decreases in light intensity and color spectrum than the human eye, so it can be tough to judge when grow bulbs need replacing. 

For optimal growth, Hortilux recommends replacing HPS lamps at 9-10 months and metal halide lights at 6-8 months. After that, the light begins to diminish, slowing growth and impacting crop yields. The old bulb doesn't need to go to waste. You can use it as supplemental light for mother plants or other plants that do not require aggressive growth.

Check out Hortilux's education room for some really great primers...

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Come in soon to get 10% off our popular line of General Organics nutrients, including General Organics' GO Box, regularly priced at $37.50.

The GO Box contains eight 8-oz bottles of the complete General Organics line to get you through the entire growing season, from planting to harvest. Also in the box, you'll find detailed instructions and feeding schedules. It's the perfect product for anyone looking to sample General Organics products or anyone who's just getting into growing -- either in soil or hydro, indoors or outdoors.  

General Organics products are formulated...

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