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pH and EC Controls
Controlling the pH and EC of a hydroponic system is crucial. If the pH is too high or low nutrient lock up and reduced uptake can occur. Control you pH or EC (ppm) with a Blue Lab, Milwaukee, or Hannah pH pen. Generally, between 5.8-6.3 is the best range to maintain your hydroponic or soil garden. Read more here about pH
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| GroBot Evolution Complete Kit | GroBot Evolution Pluggable Relay | Sunleaves Digital 4-Way Soil Meter |
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| Wilmod Heating Element | ||
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Our price: $56.25
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