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Suitable for hydroponic
The indicator solution covers a broad pH range from 4
Target pH: Maintain the finished nutrient solution between pH 5
Protect them from drying air
Complete coverage is important for best control
General Hydroponics 1500 PPM TDS Calibration Solution Seedling Trays & Domes Suitable for hydroponicMaintain reliable nutrient readings with General Hydroponics 1500 PPM TDS Calibration Solution. This precisely prepared reference solution is designed for calibrating compatible TDS and conductivity meters used to monitor hydroponic reservoirs, fertilizer solutions, source water, and irrigation systems. Regular calibration helps growers identify inaccurate or drifting meter readings before they lead to incorrect nutrient concentrations. The 1500 ppm
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