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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 31 - Sep 5
Pay in 4 interest-free payments of $2.75 Learn more
Ships within 48 hours · Estimated delivery Aug 31 - Sep 5
50% stronger than the most popular brands on the market yet it costs the same
A 4 ft fluorescent light fixture will be perfect to provide supplemental lighting over this size area
one-handed operation provides precise control without pumping
Kills insects and prevents new infestations
allowing you to set the relative humidity level for your grow room and control your Anden dehumidifier from a convenient living or working space location
General Hydroponics® pH Test Indicator 8 oz Grotek 50% stronger than the mostGeneral Hydroponics pH Test Kits make pH testing easy. Simply fill a test tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced growers prefer our pH Test Kit to expensive electronic meters because of its reliability and ease of use, which are important factors when the health of a valuable crop is at stake. Use 3 drops per 5ml of solution.