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Enviro Controller - offers control over EC and AC fans
It is one of the most simple
allowing your pH levels to fluctuate further than usual without leading to deficiencies
The silver in Silver Bullet Roots extends the active lifespan of the peroxide in Silver Bullet Roots to around 5 weeks
protecting it from disease
Bluelab - pH Calibration Solution Size:pH 7.0 - 500ml Enviro Controller - offers controlBluelab pH Calibration Solution Keeping your pH meter calibrated is essential for taking accurate readings and keeping your nutrient solution within the correct pH range. Bluelab's pH Calibration Solution allows you to accurately calibrate your pH meter. Check out our complete water conditioning toolkits, which come with an EC meter, pH meter, pH up & down, pH buffer, chlorine neutraliser, jug and syringes click here to learn. How pH Calibration