Jack's Nutrients 18-8-23 Outdoor Calibration Equipment Using our high-performance plant foods

Using our high-performance plant foods on your plants is like putting your plants on an Olympic training diet

6x6ft(veg) grow space

Moisture is removed from the air and drained out of the unit to a common floor or waste drain

Frequency of meter calibration is crucial and will optimize your pH meter’s performance

NOT a mycorrhizal mixture

Jack's Nutrients 18-8-23 Outdoor Calibration Equipment Using our high-performance plant foodsProduct Details Yep thats right, a nutrient blend specifically tailored for outdoor hemp and cannabis production. The research team at Jacks has a real knack for making things easy, efficient and cost effective in any growing environment and this product definitely wears its name well. The nutrient blend in Jacks Outdoor is potentially acidic and designed to keep your pH in the desired range for optimum nutrient uptake. Plus, weve perfected the N: K2O