General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators) [Case of 12] air-purification and fastening the stabilizing poles

and fastening the stabilizing poles for a vertical mounting structure that can be easily adjusted to ensure duct port access

and even grow tents

Ultra-quiet UL-certified AC-powered fan designed to cool various electronics and components

Engineered composite

Maltose (Microbe Food)

General Hydroponics®, pH Control Kit (includes pH up, pH down, and pH test indicators) [Case of 12] air-purification and fastening the stabilizing polesMinimum 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