Top 3 Rockwool Cubes 3 Inch – Soils, Fertilizers & Mulches

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1. Grodan

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Grodan Delta 8 Block 4 by 4 by 3 Inch with Hole, Strip of 6 Blocks

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Grodan #ad - The purpose is to support the requirement of the plant in the different plant stages. Grodan delta blocks are the most uniform blocks Available on the market. 4" x 4" x 3", with hole, case of 180 Grodan stonewool rockwool is made from molten rock spun into Cotton candy-like fibers and then compressed.
BrandGrodan #ad
ManufacturerGrodan #ad
Height3 Inches
Length4 Inches
Width4 Inches
Part NumberRWDM8G
ModelGL56713075STRIP

2. Twin Canaries Liquid Volume Conversion Chart

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2" Rockwool Starter Plugs, 2 Sheets of 25 Plugs 50 Plugs Total + Twin Canaries Chart

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Twin Canaries Liquid Volume Conversion Chart #ad - Made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Seedlings or cuttings started in the Grodan cubes can also be transplanted into more traditional planters and growing mediums. Twin canaries Chart included with every order! Has a tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen for rapid plant growth.
BrandTwin Canaries Liquid Volume Conversion Chart #ad
ManufacturerTwin Canaries Liquid Volume Conversion Chart #ad

3. MI0512

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1 Sheets of 28 Plugs 28 Small, 1.5” Rockwool Starter Plugs for Hydroponics, Rockwool Grow Cubes

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MI0512 #ad - Much easier than starting in soil! Predrilled planting holes make seeding and plant propagation a breeze. Seller warranty - any support you need please email us via your order page, we'll respond to your request within 24 hours, and we promise 100% fund back if you do not like it, WHY NOT HAVE A TRY? Inorganic & sterile growing medium, great for Rooting Cuttings clone plants, germination start seeds and more.

Cubes Measure:1. 5" x 1. 5" x 1. 5". Provides 20% air space when saturated - Absorbs nutrient solution while retaining plenty of oxygen for rapid root growth! Made from good selection of natural rocks, neutral pH and sterile. Great for hobby and commecial growers. Encourages faster Initial Rooting & Its Firmness Is Guaranteed.
BrandMI0512 #ad
ManufacturerMI0512 #ad
Model28