150 hours Automatic Shut-off: Approx
2 measurement units for Nutrient Concentration
or with germinating sponges
Lightweight mineral rock with LOW moisture-holding capacity - ideal for leafy veggies
Each measurement is automatically freezed after a stabilized reading is established
Magnesium Sulphate Size:1 kg 150 hours Automatic Shut-off: ApproxMagnesium sulphate is a chemical compound containing magnesium, sulfur and oxygen, with the formula MgSO4. In agriculture and gardening, magnesium sulfate is used to correct magnesium deficiency in soil, since magnesium is an essential element in the chlorophyll molecule. It is most commonly applied to potted plants, or to magnesium hungry crops, such as potatoes, roses, tomatoes, peppers and cannabis. The advantage of magnesium sulfate over other