Bluelab pH Pen | Waterproof pH & Temperature Meter, 0.0-14.0 pH Seaweeds Stabilize Water Activity Cure Puck's

Stabilize Water Activity Cure Puck's advanced IoT technology maintains the ideal balance of water activity

Recommended for hydroponic use

optimal illumination

it is recommended to use Expand 0-4-4 in conjunction with VPS Support during the initial six weeks of growth

nutrient film technique (NFT) systems

Bluelab pH Pen | Waterproof pH & Temperature Meter, 0.0-14.0 pH Seaweeds Stabilize Water Activity Cure Puck'sWhat the Bluelab pH Pen Reads and How Accurately A pH reading that drifts is worse than no reading, because you feed on it. This pen covers 0. 0 to 14. 0 pH at 0. 1 resolution and holds 0. 1 pH accuracy at 25C. A double junction probe does the work. It also reads solution temperature across 0 50C 32 122F and compensates automatically, so a cold reservoir at lights on does not throw the number. The body is fully waterproof and the LCD is backlit for a