Grodan Pargro Biggie, 6 x 6 x 6, w/Hole, 512 blocks per pallet Garden Hygiene and Safety especially during high-humidity conditions

especially during high-humidity conditions

Complete Nutrition Formula: Contains all 6 essential macronutrients and 10 micronutrients for optimal plant health

Works in conjunction with all nutrient and feeding programs

WARNING: This lamp can cause serious skin burn and eye inflammation from shortwave ultraviolet radiation if outer envelope of the lamp is broken or punctured

Grodan Pargro Biggie, 6 x 6 x 6, w/Hole, 512 blocks per pallet Garden Hygiene and Safety especially during high-humidity conditionsGrodan Pargro Biggie, 6 x 6 x 6, w Hole, 512 blocks per palletPargro is an ideal stone wool growing media, for consistent results without the need for sophisticated irrigation schedules. Pargro is lightweight stone wool made from basalt rock. Its a highly uniform substrate thats pathogen, disease and seed free. The material is inert so it will not add or hold back any nutrients giving you complete control over your plants. The Pargro family of