Essentials - Digital 2 Way Thermometer/Hygrometer with Cable no-free-shipping NPK:Basis A – 5-0-1Basis B

NPK:Basis A – 5-0-1Basis B – 0-4-3Also contains calcium

They are perfect for bringing humidity back into rooms dried out by central heating or lights

Improves oxygen availability in nutrient solution

Mills Basis A & B | Two-Part Base Nutrient for Complete Plant NutritionSupports growth from seedling to harvest | NPK A: 5-0-1 | B: 0-4-3

Essentials - Digital 2 Way Thermometer/Hygrometer with Cable no-free-shipping NPK:Basis A – 5-0-1Basis BEssentials Digital 2 Ways Min Max Thermo Hygrometer Nutrient 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. Simultaneously displays your growroom greenhouse temperature & humidity. Provides accurate readings on easy to read large LCD screen. Records highest & lowest temperature values at a push of a button. Set your own time frame. Wall or surface