Bluelab pH Pen 5lb Carbon Quantity x Carbon Quality

Carbon Quantity x Carbon Quality = Filter Capacity

Includes (2) EZ Turn duct clamps

FoxFarm's product is a liquid concentrate that can be used for growing fruits

Breathable mesh for quick drying of flowers & herbs

Carabiner clip for hanging

Bluelab pH Pen 5lb Carbon Quantity x Carbon QualityBluelab pH Pen Measures pH and Temperature Handheld pH meter provides a compact, quick, and handy way to manage the success of your crops to ensure maximum uptake of nutrients. A key parameter that affects nutrient uptake is whether your solution is acid or alkaline this is measured in the pH. Measures pH and temperature, with selectable units for temperature. The meter is fully waterproof, has a backlit LCD display, double junction probe (not