Harvest Hero Hydroponic Perlite 4 Cu Ft Bulbs (MH 0 µmol/J efficiency from a

0 µmol/J efficiency from a 650W input across 208-480V

500 discs Individual Overwrap None — discs activate when the case is opened Humidity Indicator Cards Not included Other RH Tier in 37 mm 55% RH Composition Proprietary blend of plant-based glycerin and water Salt Content 100% salt-free Biodegradability 99% biodegradable

chelated micronutrients

keeping energy costs proportional to output

Harvest Hero Hydroponic Perlite 4 Cu Ft Bulbs (MH 0 µmol/J efficiency from aHarvest Hero Hydroponic Perlite 3 Cu FtIncrease Yields With A Superior Substrate For Hydroponic Systems Benefits: Increases plant vigor with oxygen uptake Superior water drainage Reduces water and fertilizer costs Features: 100% sterile growing medium Unlike rockwool, retains excellent air water balance Excellent soil substrate for lush plant growth Usage: Propagation and growing medium Hydroponic systems Containers plants Lay flat plastic sleeves