Essentials Digital 2 Way Thermometer/Min Max Meter SALE a large number of plants

a large number of plants can be watered in minimal time

we recommend using them with a LUMii or LUMii BLACK Ballast

The LUMii BLACK Metal Magnetic Ballast is a 600w metal-cased magnetic ballast

but a full range of micro and sub- micronutrients as well – and we chelate every possible element for enhanced uptake and stability

fresh air enters the root zone and gives this substrate a high air ratio

Essentials Digital 2 Way Thermometer/Min Max Meter SALE a large number of plantsNutrient temperature measurement is via a thin waterproof probe. The Min Max memory records the highest and lowest temperature values. Can display in F or C.