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Complete Grow Tent Packages

Complete Grow Tent Packages

Start growing indoors today!

Complete Nutrient Packages

Complete Nutrient Packages

From beginner packages to advanced!

March Nutrients

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Hydrobuilder Learning Center

Expert growing advice and tips!

TDS, PPM, EC Meters

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Need to test total dissolved solids (TDS), electrical conductivity (EC) or parts per million (PPM) of your nutrient concentration? Hydrobuilder carries them all and has the tech support team to help you pick the one that will work best for you. Make sure your plants are receiving the right concentration and test your nutrient solution accurately. Meters that measure on the 500 or 700 measuring factor calibrated for NaCl or KCl solutions to suite your needs and nutrient solution guide.