Grodan Pargro Biggie, 6 x 6 x 6, w/Hole, 512 blocks per pallet spl_hlg Keep your growing environment in

Keep your growing environment in balance by ensuring you have proper ventilation

and works with both MH and HPS lamps

5" Aluminum tube handles allows maximum leverage & force

The combination of our natural veganic ingredients makes it almost non-burning even at extremely high doses

Improves resin development and potency

Grodan Pargro Biggie, 6 x 6 x 6, w/Hole, 512 blocks per pallet spl_hlg Keep your growing environment inGrodan 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