![General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators) [Case of 12] air-purification Ultra-quiet UL-certified AC-powered fan designed](https://cdn.shopify.com/s/files/1/0254/3914/1924/files/general-hydroponics-ph-test-kit.jpg?v=1756242436)
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Ultra-quiet UL-certified AC-powered fan designed to cool various electronics and components
Resists EMI/EFI from electronic ballasts
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Familiarize yourself with the safety data sheet (SDS) provided by the manufacturer or supplier of pentane
General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators) [Case of 12] air-purification Ultra-quiet UL-certified AC-powered fan designedMinimum 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
