C.A.P. 2 Faced 4" Rockwool Block Covers, 40 units/pack

PLASTIC BLOCK COVERSThey reflect light to the leaves, where it is most needed. They block light from the substrate. They eliminate the growth of algae and mold. 40 double-sided covers per pack. Work great with GRODAN blocks. They block light from the substrate. They reflect light to the leaves where it is most needed. They eliminate the growth of algae and mold. 40 double-sided covers per pack.

Technical Data

• Pack of 40 plastic covers for 4-inch rock wool blocks
• Double-sided: one reflective side up and one that blocks light from the substrate
• With a central hole for the stem to pass through
• Compatible with 4-inch GRODAN blocks and other brands of the same size
• Block light from the substrate and prevent the growth of algae and mold
• Reflect light to the leaves, where it is most needed

Instructions for use

• Place the cover on the block with the reflective side facing up.
• Pass the stem through the central hole without forcing it or damaging the plant's neck.
• Install them as soon as you transplant the seedling into the block, before algae appear.
• Carefully lift them when you need to check the moisture or rooting of the block.
• Rinse and disinfect them between cycles, and let them dry before storing.
• Store them flat and stacked, away from direct sunlight, so they don't deform.