Humboldt County's Own Magnum Size:1 Gal sustainable boost they deserve with

sustainable boost they deserve with General Hydroponics FloraBlend® — the natural choice for thriving gardens

Micronutrient Enrichment: A variety of essential micronutrients like calcium

NK-1 and NK-2

organic fertilizer mix infused with a generous amount of beneficial bacteria and mycorrhizal fungi to stimulate rooting

Increases essential oil and aroma production

Humboldt County's Own Magnum Size:1 Gal sustainable boost they deserve withHumboldt County's Own Magnum is a concentrated additive designed to provide Sulfur and Magnesium during the bloom phase. This product is intended to be used in conjunction with Humboldt County's Own Deep Fusion line. Free Standard shipping