British Minerals - CalMag (Calcium Magnesium Supplement) acrog Easy to Refill: The 4

Easy to Refill: The 4

Unlike common AC-powered duct fans that suppresses voltage to control fan speeds

This not only insulates the noise from the motor and air movement

CO₂ module works stably

British Minerals - CalMag (Calcium Magnesium Supplement) acrog Easy to Refill: The 4AMPLE LEVELS OF CALCIUM & MAGNESIUM Keep your plants in optimum growing conditions with British Minerals Calmag. Containing the ideal ratio of calcium & magnesium, BM Calmag is perfect for correcting your water for optimum plant growth. British Minerals Calmag is highly concentrated, improves poor quality water & provides stronger, healthier plants. British Minerals Calmag can be used on all media types. Available in 1L & 5L bottles. NUTRIENT CONTENT