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Independent proportional settings for pH and TDS can be adjusted from 0 to 90 seconds
this unique formula will assist in the highest level of crop performance during their critical blooming stage
KALIX Humic Acid is a highly concentrated (57%) formulation of water soluble organic acids that are found naturally in soil matter
Growcubes are difficult to overwater if the container has good drainage
These Tent Hanging Brackets will enable you to hang and run a LightRail 3
Hanna 1413 μS/cm (EC) Calibration Solution, 20 ml, case of 25 spl_jondon Independent proportional settings for pHHanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments. Comes in a bottle designed to keep air and light from damaging the solution.
