Add to Cart Compare Quick view Mother Earth 8" Coco Covers, Pack of 10 Sunlight Supply MSRP: $8.70 Now: $7.49 Was: Mother Earth® Coco Covers are a naturally derived replacement for plastic covers. These 100% natural coconut coir fiber covers work great for preventing algae from growing on top of your rockwool blocks. Available in 4, 6 and 8 inch squares for use... MSRP: $8.70 Now: $7.49 Was: Add to Cart Compare Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: $8.70 Now: $7.49 Was: Subtotal: Add to Cart
Add to Cart Compare Quick view 8" Block Covers, Pack of 40 HydroFarm MSRP: $25.95 Now: $19.95 Was: PLASTIC BLOCK COVERS Reflect light to plant leaves, where it’s needed most. Block light from media. Eliminate algae and mildew growth. 40 dual sided block covers per pack. Works great with GRODAN Blocks. Block light from media... MSRP: $25.95 Now: $19.95 Was: Add to Cart Compare Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: $25.95 Now: $19.95 Was: Subtotal: Add to Cart
Add to Cart Compare Quick view 6" Block Covers, Pack of 40 HydroFarm MSRP: $21.95 Now: $16.95 Was: PLASTIC BLOCK COVERS Reflect light to plant leaves, where it’s needed most. Block light from media. Eliminate algae and mildew growth. 40 dual sided block covers per pack. Works great with GRODAN Blocks. Block light from media... MSRP: $21.95 Now: $16.95 Was: Add to Cart Compare Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: $21.95 Now: $16.95 Was: Subtotal: Add to Cart
Add to Cart Compare Quick view 4" Block Covers, Pack of 40 HydroFarm MSRP: $11.95 Now: $10.95 Was: PLASTIC BLOCK COVERS Reflect light to plant leaves, where it’s needed most. Block light from media. Eliminate algae and mildew growth. 40 dual sided block covers per pack. Works great with GRODAN Blocks. Block light from media... MSRP: $11.95 Now: $10.95 Was: Add to Cart Compare Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: $11.95 Now: $10.95 Was: Subtotal: Add to Cart
Add to Cart Compare Quick view Europonic Rockwool Conditioning Solution Gallon Hydrodynamics Intl. MSRP: $40.00 Now: $31.95 Was: Europonic® Rockwool Conditioning Solution™ is an advanced formulation of ingredients that stabilizes and adjusts the pH of rockwool for maximum nutrient utilization by the plants. A premium blend of pH controls and pure mineral salts,... MSRP: $40.00 Now: $31.95 Was: Add to Cart Compare Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: $40.00 Now: $31.95 Was: Subtotal: Add to Cart
Add to Cart Compare Quick view Europonic Rockwool Conditioning Solution Quart Hydrodynamics Intl. MSRP: $18.00 Now: $14.49 Was: Europonic® Rockwool Conditioning Solution™ is an advanced formulation of ingredients that stabilizes and adjusts the pH of rockwool for maximum nutrient utilization by the plants. A premium blend of pH controls and pure mineral salts,... MSRP: $18.00 Now: $14.49 Was: Add to Cart Compare Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: $18.00 Now: $14.49 Was: Subtotal: Add to Cart
Add to Cart Compare Quick view Grodan Medium Water Repellent Granulate 45 Lbs Grodan MSRP: $79.73 Now: $64.95 Was: Granulated rockwool can be used alone or as an amendment to organic based mixes. For example, the addition of water absorbant granulate to peat mixes at 25-50% volume, increases water holding capacity and aeration, improving plant growth and shelf life... MSRP: $79.73 Now: $64.95 Was: Add to Cart Compare Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: $79.73 Now: $64.95 Was: Subtotal: Add to Cart
On Sale Add to Cart Compare Quick view Grodan Gro-Wool Asorbent Granulate 3.5 Cu Ft Grodan MSRP: $76.70 Now: $64.95 Was: $72.99 Granulated rockwool can be used alone or as an amendment to organic based mixes. For example, the addition of water absorbant granulate to peat mixes at 25-50% volume, increases water holding capacity and aeration, improving plant growth and shelf life... MSRP: $76.70 Now: $64.95 Was: $72.99 Add to Cart Compare Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: $76.70 Now: $64.95 Was: $72.99 Subtotal: Add to Cart
On Sale Add to Cart Compare Quick view Grodan Expert Slab 6" x 3" x 36" Grodan MSRP: $8.98 Now: $6.95 Was: $7.95 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... MSRP: $8.98 Now: $6.95 Was: $7.95 Add to Cart Compare Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: $8.98 Now: $6.95 Was: $7.95 Subtotal: Add to Cart
Add to Cart Compare Quick view Grodan A-OK Starter Plugs 1.5" x 1.5" x 1.5" Grodan MSRP: $14.06 Now: $10.95 Was: 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... MSRP: $14.06 Now: $10.95 Was: Add to Cart Compare Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: $14.06 Now: $10.95 Was: Subtotal: Add to Cart
On Sale Add to Cart Compare Quick view Grodan Macro Plug Round With Slit, Bag of 50 Grodan MSRP: $12.17 Now: $10.49 Was: $10.95 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... MSRP: $12.17 Now: $10.49 Was: $10.95 Add to Cart Compare Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: $12.17 Now: $10.49 Was: $10.95 Subtotal: Add to Cart
Add to Cart Compare Quick view Grodan Grow Cubes, 1 Cu Ft Bag Grodan MSRP: $28.46 Now: $24.95 Was: 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... MSRP: $28.46 Now: $24.95 Was: Add to Cart Compare Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: $28.46 Now: $24.95 Was: Subtotal: Add to Cart