Aquamaster ph-7.00 Calibration Solution - 100mL Refillable Carbon Filter Fortified with magnesium and sulphur

Fortified with magnesium and sulphur to boost nutrient absorption and plant health

3ml/L to treat established infections

3mm Washable Dacron Pre-Filter – Captures dust and debris before it reaches the carbon core

durable and does not allow for any pooling

Aquamaster ph-7.00 Calibration Solution - 100mL Refillable Carbon Filter Fortified with magnesium and sulphurAqua Master Tools pH 7. 0 Calibration Solution NIST Traceable The Aqua Master Tools pH 7. 0 Calibration Solution is a high accuracy buffer solution designed for calibrating pH meters and testers, ensuring reliable and precise readings every time. This solution is traceable to NIST standards, making it ideal for professional, laboratory, hydroponic, and horticultural applications. Specially formulated to work seamlessly with Aqua Master Tools pH