NPK Industries is best known for its RAW line – single-ingredient dry nutrients like Silica, Calcium/Mag, Phosphorus, Kelp, and B-Vitamin that let growers build a custom feed schedule instead of relying on a pre-blended formula. Alongside the RAW nutrient line, NPK also produces Mighty, a ready-to-use pest and plant health product.
Shop NPK Industries at Hydrobuilder
- NPK Industries RAW Dry Silica, 2 oz.
- NPK Industries RAW Dry Calcium/Mag, 8 oz.
- NPK Industries RAW Dry Phosphorus, 2 oz.
- NPK Industries RAW Dry Kelp, 2 lb.
- NPK Industries RAW Dry B-Vitamin, 8 oz.
- Shop All Garden Care
Why Buy NPK Industries from Hydrobuilder
Hydrobuilder stocks well over 100 NPK Industries SKUs across the RAW dry nutrient line and Mighty pest control, making it easy to dial in individual nutrients rather than committing to a single blended product. Fast shipping gets replenishment orders out the door quickly when you're mid-feed-cycle.
Learn more: Silica for Plants
What is the RAW line from NPK Industries?
RAW is a line of single-ingredient dry nutrients – Silica, Calcium/Mag, Phosphorus, Kelp, B-Vitamin, and more – designed to be used individually or combined into a custom feed schedule rather than as a single all-in-one formula.
What sizes do RAW nutrients come in?
RAW nutrients are sold in a range of sizes from 2 oz. up through multi-pound bags, depending on the specific nutrient.
Does NPK Industries make anything besides nutrients?
Yes – Mighty is a ready-to-use pest and garden care product from NPK Industries, sold alongside the RAW nutrient line.
