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Green Door Hydroponics is your premier source for indoor ga ... Read more

Green Door Hydroponics is your premier source for indoor gardening equipment in Los Angeles and beyond. We are an actual brick and mortar company located in Los Angeles, CA. If you're local, stop by and check us out. We are not a huge company so we can pay attention to the smaller details when it comes to helping our customers, yet are big enough to compete with respect to orders large and small. We have a knowledgeable staff, no matter what stage and style of growing you do Green Door Hydro is Minimize

Stonewool is recognized the world over as an ideal hydropon ... Read more

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 a larger stonewool slab. Gro-Blocks can also be planted directly into containers for soil gardening. This is a strip of six 4"x4"x2.5" Gro-Blocks, each with pre-formed holes. Grodan stonewool is known for its quality, consistency and performance THIS IS FOR 1 CASE of 216 CUBES Powered by eBay Turbo Lister T Minimize

Grodan Stonewool Gro-Slabs EXPERT 20/75 SLAB 8x3x36 (1EA= 1 ... Read more

Grodan Stonewool Gro-Slabs EXPERT 20/75 SLAB 8x3x36 (1EA= 12 SLABS) 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 prevention. Expert vertical fibers for faster drainage; best for hobbyists Classic horizontal fibers for slower drainage; best for hot/dry climates Minimize

Grodan Delta 10 Block - 4" x 4" x 4" - Case of 144 Grodan S ... Read more

Grodan Delta 10 Block - 4" x 4" x 4" - Case of 144 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 purpose is to support the requirement of the plant in the different plant stages. Grodan has a tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen for rapid plant growth. Grodan comes in graduated sizes. Seedlings started in cubes are easily transferred to blocks and then onto slabs, if desired. Seedlings or cuttings started in the Grodan cubes can also be transplanted into more traditional planters and growing mediums. Grodan Blocks -Grodan Delta blocks are the most uniform blocks available on the market. They feature improved grooves at the base to promote better drainage. They are available in a large assortment of sizes and configurations to suit all ty Minimize

Cloning Kit: Clonex + Seedling Tray + 2" Dome + Grodan Rock ... Read more

Cloning Kit: Clonex + Seedling Tray + 2" Dome + Grodan Rockwool Clonex: A professional quality rooting hormone gel to promote root growth in softwood and semi-hardwood cuttings. Seals cut tissue instantly, eliminating the risk of infection or embolism. Seedling Flat Cut Kit: 10 x 20 Flat with No Holes and 2" Propagation Dome: Seedling flat made of high quality plastic. Manufactured with a wide lip for added durability, these seedling flats are reusable and will last for several seasons. Seedling flats offer you the ability to start large quantities of plants in a smaller amount of space compared to traditional pots. Excellent quality, clear dome. 2" tall. When used in conjunction with a seedling tray, these flats will make seed starting and transplanting a snap! 4.75" total height. Grodan Rockwool: 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 woo Minimize

These are pre-cut to simplify using with cuttings.

These are pre-cut to simplify using with cuttings.

Grodan Stonewool (rockwool) is made from molten rock spun i ... Read more

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 purpose is to support the requirement of the plant in the different plant stages. Grodan has a tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen for rapid plant growth. Grodan comes in graduated sizes. Seedlings started in cubes are easily transferred to blocks and then onto slabs, if desired. Seedlings or cuttings started in the Grodan cubes can also be transplanted into more traditional planters and growing mediums. Grodan Blocks -Grodan Delta blocks are the most uniform blocks available on the market. They feature improved grooves at the base to promote better drainage. They are available in a large assortment of sizes and configurations to suit all types of plants. These growing blocks are used for direct sowing or "blocking on" of Macro and Multiblock raised plants. AO 36/40 plugs fit well into the hole sizes provided by the blocks. The blocks can then be placed on top of a slab to provide for a larger growing volume. Hugo is the largest of the growing blocks. It provides enough growing volume to support a larger plant, so it does not need to be placed on top of a slab. 8 blocks per strip, 48 strips per case. Minimize

Green Door Hydroponics is your premier source for indoor ga ... Read more

Green Door Hydroponics is your premier source for indoor gardening equipment in Los Angeles and beyond. We are an actual brick and mortar company located in Los Angeles, CA. If you're local, stop by and check us out. We are not a huge company so we can pay attention to the smaller details when it comes to helping our customers, yet are big enough to compete with respect to orders large and small. We have a knowledgeable staff, no matter what stage and style of growing you do Green Door Hydro is Minimize

Stonewool is recognized the world over as a dependable hydr ... Read more

Stonewool is recognized the world over as a dependable hydroponics growing medium and Grodan stonewool in particular is known for its quality, consistency and performance. Once plants develop a healthy root system in the smaller stonewool plugs and blocks, they're transferred onto one of these larger Delta Slabs for the remainder of their growing cycle.This single Delta Slab is wrapped in a biodegradeable, UV-resistant sleeve for easy handling and algae prevention This is for a case of 12 Power Minimize

Green Door Hydroponics is your premier source for indoor ga ... Read more

Green Door Hydroponics is your premier source for indoor gardening equipment in Los Angeles and beyond. We are an actual brick and mortar company located in Los Angeles, CA. If you're local, stop by and check us out. We are not a huge company so we can pay attention to the smaller details when it comes to helping our customers, yet are big enough to compete with respect to orders large and small. We have a knowledgeable staff, no matter what stage and style of growing you do Green Door Hydro is Minimize

Grodan stonewool is known for its quality, consistency and ... Read more

Grodan stonewool is known for its quality, consistency and performance This is for a case of 12 Minimize

Green Door Hydroponics is your premier source for indoor ga ... Read more

Green Door Hydroponics is your premier source for indoor gardening equipment in Los Angeles and beyond. We are an actual brick and mortar company located in Los Angeles, CA. If you're local, stop by and check us out. We are not a huge company so we can pay attention to the smaller details when it comes to helping our customers, yet are big enough to compete with respect to orders large and small. We have a knowledgeable staff, no matter what stage and style of growing you do Green Door Hydro is Minimize

GRODAN ROCKWOOL STARTER PLUG 1"X1" CASE OF 6000 EA NEW IN B ... Read more

GRODAN ROCKWOOL STARTER PLUG 1"X1" CASE OF 6000 EA NEW IN BOX! Grodan Rockwool A-Ok Starter Plug Sheets, plug size 1"x1", 200 plugs per sheet, Case of 30 Sheets 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 purpose is to support the requirement of the plant in the diffe Minimize

Manufacturer: Grodan Quantity: 1 Case = 48 Strips Descripti ... Read more

Manufacturer: Grodan Quantity: 1 Case = 48 Strips Description: Gro-Blocks are similar to a plant container. Need a 3 pot? Then choose a 3 Gro-Block. Small plants can be fully grown in our larger Gro-Blocks. Holes are perfect size for any 1.5 starter plug. Minimize

Green Door Hydroponics is your premier source for indoor ga ... Read more

Green Door Hydroponics is your premier source for indoor gardening equipment in Los Angeles and beyond. We are an actual brick and mortar company located in Los Angeles, CA. If you're local, stop by and check us out. We are not a huge company so we can pay attention to the smaller details when it comes to helping our customers, yet are big enough to compete with respect to orders large and small. We have a knowledgeable staff, no matter what stage and style of growing you do Green Door Hydro is Minimize

GRODAN ROCKWOOL BLOCKS 6"X6"X5.8" W/HOLE CASE OF 48 EA NEW ... Read more

GRODAN ROCKWOOL BLOCKS 6"X6"X5.8" W/HOLE CASE OF 48 EA NEW IN BOX! Grodan Rockwool Hugo Blocks with hole 6"x6"x5.8" Case of 48 blocks 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 purpose is to support the requirement of the plant in the different plant stages. Grodan h Minimize

Green Door Hydroponics is your premier source for indoor ga ... Read more

Green Door Hydroponics is your premier source for indoor gardening equipment in Los Angeles and beyond. We are an actual brick and mortar company located in Los Angeles, CA. If you're local, stop by and check us out. We are not a huge company so we can pay attention to the smaller details when it comes to helping our customers, yet are big enough to compete with respect to orders large and small. We have a knowledgeable staff, no matter what stage and style of growing you do Green Door Hydro is Minimize

Manufacturer: Grodan Quantity: 1 Case = 30 Sheets Descripti ... Read more

Manufacturer: Grodan Quantity: 1 Case = 30 Sheets Description: The renewed plugs result in a maximum number of useable and homogeneous seedlings. Both form and strength have been greatly improved for good machine and manual processing. Whether sowing or transplanting, the new plug is the solution to achieving a homogeneous sowing result. Improved homogeneity Optimum robustness and flexibility Ideal air/water balance Consistent shape of the seed hole Identically shaped plugs Root development through the entire plug A'OK plugs come in a sheet that fits a standard 10x20 flat 2" x 2" cubes Minimize

Green Door Hydroponics is your premier source for indoor ga ... Read more

Green Door Hydroponics is your premier source for indoor gardening equipment in Los Angeles and beyond. We are an actual brick and mortar company located in Los Angeles, CA. If you're local, stop by and check us out. We are not a huge company so we can pay attention to the smaller details when it comes to helping our customers, yet are big enough to compete with respect to orders large and small. We have a knowledgeable staff, no matter what stage and style of growing you do Green Door Hydro is Minimize

Quantity: 1 Case = 30 Sheets Description: The renewed plugs ... Read more

Quantity: 1 Case = 30 Sheets Description: The renewed plugs result in a maximum number of useable and homogeneous seedlings. Both form and strength have been greatly improved for good machine and manual processing. Whether sowing or transplanting, the new plug is the solution to achieving a homogeneous sowing result. Improved homogeneity Optimum robustness and flexibility Ideal air/water balance Consistent shape of the seed hole Identically shaped plugs Root development through the entire plug A'OK plugs come in a sheet that fits a standard 10x20 flat 1.5" x 1.5" cubes Minimize

Grodan Stonewool (rockwool) is made from molten rock spun i ... Read more

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 purpose is to support the requirement of the plant in the different plant stages. Grodan has a tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen for rapid plant growth. Grodan comes in graduated sizes. Seedlings started in cubes are easily transferred to blocks and then onto slabs, if desired. Seedlings or cuttings started in the Grodan cubes can also be transplanted into more traditional planters and growing mediums.Grodan Blocks -Grodan Delta blocks are the most uniform blocks available on the market. They feature improved grooves at the base to promote better drainage. They are available in a large assortment of sizes and configurations to suit all types of plants. Minimize