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Specifications:
Size: 1”W x 1”D x 1”H
Quantity: 100 Pcs rockwool cubes
ADVANTAGE
Firm: hold their shape well and do not fall apart
Breathable: retaining plenty of oxygen for rapid plant growth
Aseptic production: Inorganic and sterile growing medium better than soil
Water & nutrient retention: retains a lot of water and nutrient solution
How to Use
1. Please cut the rock wool into cubes according to your own needs with a knife before soaking.
2. Please simply soak the rockwool cube briefly (10 sec) in a nutrient solution to adjust its EC value and pH value. Don't squeeze it!
3. Use pH paper to make sure that its pH is in the desired range for your seeds. The optimum pH for most plant seeds is around 5.5.
4. Control the suitable moisture, illumination and temperature to improve the germination rate of seeds.
5. When the robust roots penetrate through the rock wool about 0.5-1 inches, transplant it into a suitable container.
WARM TIPS
1.Wear gloves and glasses while handling
2.Don't try to tear the product, cut it
Crafter in VA
Reviewed in the United States on May 24, 2025
You get what you pay for! When I picked up the sheet of rockwool to separate them, they pretty much crumbled in my hand! Treat them like the finest china so they don't totally fall apart. I'm actually concerned about starting seeds in them. Time will tell.
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