The original Hydroton® brand expanded clay is a unique, lightweight expanded clay aggregate made in Germany. This natural clay is mined, formed into pellets, then kiln fired at high temperatures to cause the clay to expand into tough, lightweight balls. Hydroton® brand expanded clay...

Mother Earth® Perlite is naturally occurring siliceous rock that expands up to 20 times its original volume when heated to 1600° F. This kilning process is very similar to popping popcorn and produces a growing media that is sterile and has a neutral pH...

Mother Earth® Perlite is naturally occurring siliceous rock that expands up to 20 times its original volume when heated to 1600° F. This kilning process is very similar to popping popcorn and produces a growing media that is sterile and has a neutral pH...

Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different types of fibers. The...

Grodan Improved Gro-BlocksLeverage the benefits of products developed alongside plant scientists, that are specifically engineered to deliver real results for your crops. Grodan Gro-Blocks Improved with Advanced Wetting Technology — Grodan's improved stone wool substrate.Keep it RealReal ScienceGrodan partnered with the Wageningen University and...

Super light and super versatile. 2 cubic foot bag. Grow Chunks are a larger version (3/4" square) of the popular Grow Cubes. They are great for direct planting or for use as a filling around blocks in containers. They can be easily mixed with other...

Approximately 80% buffered coco and 20% perlite, Soul Soilless is the ultimate coir-based substrate. The ideal natural characteristics of premium coir combine with the mineral power of coarse perlite to create the perfect air-to-water ratio and pH for soilless application. Soul's specialty large-gauge perlite...

Grown in southern India and perfected in North America, Soul Coco is a superior bulk coir media that provides the ideal air-to-water ratio to support lush root growth. Can be used as a bulk media ingredient or in hydroponic and soilless applications.Ingredients: Coco FiberHOW...

Roots Organics Soilless Coco MixA unique formulation of the highest quality coco fiber/coir on the planet which is repeatedly washed for an incredibly low EC, composted for over twenty-four months, and specially blended with extra-long fibers, perlite, and pumice. Although there are small amounts...

Royal Gold Tupur, pronounced (two-per), was designed with the idea feeding your plant as much and often as possible. Though not your typical 70/30 coco perlite blend, it is a blank slate to create your own high performance feeding regimen. As a coco fiber...

Kings Mix, by Royal Gold, is your plant in bag solution for light deprivation, greenhouse, indoor, and outdoor gardens of any type. Born out of a need for simplicity in application and functionality. Kings Mix is a well-aerated, moderately amended coco peat blend. As...

GROW!T Perlite is a versatile and inert soil amendment and soilless medium. Use it to aerate soil in container gardening, for germination and propagation of seedlings, for propagation of cuttings, and as a hydroponic medium. Hydrofarm searched globally and went to great lengths to...

Give your plants a sturdy growing structure with GROW!T’s CoCo Coir Bricks. Now available at Hydrofarm, CoCo Coir Bricks support your plants all year long. The bricks, available in a mix or chip format, do double duty: They retain water, making sure plants never...