![General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators) [Case of 12] air-purification wd-product-page-reviews-swiper-button-next { width: 45px](https://cdn.shopify.com/s/files/1/0254/3914/1924/files/general-hydroponics-ph-test-kit.jpg?v=1756242436)
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Resists EMI/EFI from electronic ballasts
Follow instructions to mix a soil sample with a reagent solution in a test tube
Maltose (Microbe Food)
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators) [Case of 12] air-purification wd-product-page-reviews-swiper-button-next { width: 45pxMinimum quantity required 12 General Hydroponics, pH Control Kit (includes pH up, pH down, and pH test indicators) For A Balanced Nutrient Solution The General Hydroponics pH Test Indicator can help you maintain an ideal pH level (which is between 5. 5 and 6. 5). This can be achieved by monitoring your pH using the super concentrated drops found with the test indicator. Based on the test results, pH Up or pH down (available separately) can be added to
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