Grow Mediums

Hydroton Grow Rocks are a special kiln-fired, lightweight aggregate that is super-heated and formed into pebbles 8-16mm in size. The ceramic shell and inner pore structure retains moisture and releases it back to your plants’ roots as needed. Grow rocks w

The Cube Cap enables you to naturally and efficiently eliminate algae, fungus gnats and their root eating larva found on rock wool and coco growing blocks. It is one of the first environmentally safe solutions available. In addition, you are able to recyc

Twist Tie Dispenser with Cutter - 164 ft - Ideal for tying plants, vegetables and vines to stakes and trellises. Plastic coated for gardening. 164 foot roll with built-in cutting tool.

Grodan Stonewool Gro-Blocks Delta 6.5 - W/ Hole - 4" x 4" x 2.5" - Seeds or cuttings are started in these larger Grodan Gro-Blocks and, once rooted, the blocks are transferred to a larger stonewool slab. Gro-Blocks can also be planted directly into contai

Mini-Blocks 2" x 2" x 1.5" sit in a tray (flat) without support for easy starting of seeds and cuttings. Once rooted, the blocks are transferred to a larger piece of stonewool. Mini-Blocks can be planted directly into containers for soil gardening as well

Grodan Stonewool Gro-Blocks Delta 5.6 - W/ HOLE - 3" x 3" x 4" - Stonewool is recognized the world over as an ideal hydroponics growing medium. Seeds or cuttings are started in these larger Grodan Gro-Blocks and, once rooted, the blocks are transferred to

Grodan Expert Slab - 15/75 - 6" x 3" x 36" - Grodan Stonewool is a proven hydroponics growing medium preferred by garden enthusiasts everywhere. The 36" x 6" x 3" Expert Slab is perfect for "blocking on" smaller stonewool cubes and blocks to accommodate t

Grodan Stonewool 1.5" Round Macro Plugs - Bag of 50 - Macro Plugs have a slit that allows easy insertion of a cutting. These loose round plugs fit perfectly into the Gro-Block hole. For best results with these Macro Plugs, always insert them into a tray w

Grodan Expert Slab - 20/75 - 8" x 3" x 36" - Grodan Stonewool is a proven hydroponic growing medium preferred by garden enthusiasts everywhere. This 36" x 8" x 3" Delta Expert Gro-Slab is perfect for "blocking on" smaller stonewool plugs and blocks to acc

2" x 2" x 2" Grodan Stonewool A-Ok Starter Plugs is perfectly-sized to fit a standard flat and each plug has a pre-formed hole to easily plant seeds and cuttings. Once rooted, you can transfer individual A-Ok Starter Plugs to larger pieces of stonewool or

1.5" x 1.5" x 1.5" Grodan Stonewool A-Ok Starter Plugs are to propagation as pruners are to pruning - you don't need either to get the job done, but they'll sure make it a lot easier! A convenient hole in the center of each A'Ok Starter Plug insures prope

Grodan Stonewool is a proven hydroponics growing medium preferred by garden enthusiasts everywhere. The 36" x 12" x 3" Classic Delta Slab is perfect for "blocking on" smaller stonewool plugs and blocks to accommodate the final stages of plant growth. Pack

B’Cuzz Coco by Atami is the only coir product available through the retail hydroponics industry that undergoes a unique steaming and buffering process, resulting in an optimized, premium quality hydroponic growing medium. Atami has a partnership in Sri La

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 media

CocoTek Grow mats are made from a strong weave containing 100% organic coconut fiber and natural rubber. Roots will thrive in this natural media. These mats can be easily cut to fit any size application and are designed to lay underneath baskets, slabs an

All plant roots are protected and contained for the life of the plant. Due to its size, the Uni-Slab is perfect for one large plant. Uni-Slab has the benefits of a slab with the versatility of a block.

Grodan Expert Slab - 15/75 - 6" x 3" x 36" - 12 Slabs per CASE - Gro-Slabs provide the final stage for growing a spectacularly large plant. Transplant your Gro-Block plant onto a slab just like professional growers. They come in clearly marked biodegradab

Gro-Slabs provide the final stage for growing a spectacularly large plant. Transplant your Gro-Block plant onto a slab just like professional growers. They come in clearly marked biodegradable UV resistant sleeves for comfortable handling and algae preven

Growcubes are small loose 1/2” cubes of stonewool. Advantages are better aeration, maximum drainage so that you can hardly ever over water your plant, easy mixing with other loose media (such as expanded clay rocks or coconut fiber), lightweight and much

Growcubes are small loose 1/2” cubes of stonewool. Advantages are better aeration, maximum drainage so that you can hardly ever over water your plant, easy mixing with other loose media (such as expanded clay rocks or coconut fiber), lightweight and much

Grodan Stonewool Delta Big Mama Block - 8" x 8" x 8" - is the largest block ever produced by Grodan. It is 8" square and contains over twice the amount of wool as the popular Hugo block. This block is big enough to grow a large plant for its entire life

Grodan Stonewool Gro-Block Hugo - W/ Hole - 6" x 6" x 6" - Growers can start cuttings and even grow plants to maturity in this large Grodan Gro-Block or transfer it to a larger stonewool slab once roots have been established. Gro-Blocks can be planted dir

Sure To Grow Media - 4 x 4 x 4 Blocks - CASE (144 Blocks to Case). 1 1/2” Rectangular cut-out for insertion of STG Grow Cubes. Plastic sleeve which blocks algae, prevents heat build-up and reduces evaporation. Plants can be started in STG Grow Cubes and t

Grodan Stonewool Gro-Blocks Delta 8 - No Hole - 4" x 4" x 3" - Known for its quality, consistency and ease of use, high-performance Grodan stonewool is used by hydroponics gardeners the world over. Seeds or cuttings are started in these Grodan Gro-Blocks

Grodan Stonewool Gro-Blocks Delta 4 - NO HOLE - 3" x 3" x 2.5" - Stonewool is recognized the world over as the ideal hydroponics growing substrate. Seeds or cuttings are started in these small Grodan Gro-Blocks and, once rooted, the blocks are transferred