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Independent proportional settings for pH and TDS can be adjusted from 0 to 90 seconds
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For all other states
this unique formula will assist in the highest level of crop performance during their critical blooming stage
Growcubes are difficult to overwater if the container has good drainage
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.
