Grodan Stonewool Delta Starter Mini-Blocks -- 1.5 inch x 1.5 inch x 1.5 inch

Each Grodan Stonewool Delta Starter Mini-Block has a virtually identical density, flexibility and sturdiness, guaranteeing a uniform distribution of WC, EC and pH to produce a uniform and high-quality plant. Grodan Stonewool Delta Starter Mini-Blocks -- 1.5 inch x 1.5 inch x 1.5 inch come in Sleeves of 45 blocks and Cases of 50 sleeves or 2250 blocks.
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    A: Yes, you can reuse and Recycle Rockwool. ... At the end of the plant life cycle, horticultural rockwool can be reused to grow different plants, or you can shred it to be composted and then reused in potting mixes or in garden beds. Remember, rockwool is basalt, which is an excellent amendment for potted plants as crushed rock. Slabs can be reused for up to three seasons when they are properly sterilized.

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  • -1
    vote
    A: Yes, you can reuse and Recycle Rockwool. ... At the end of the plant life cycle, horticultural rockwool can be reused to grow different plants, or you can shred it to be composted and then reused in potting mixes or in garden beds. Remember, rockwool is basalt, which is an excellent amendment for potted plants as crushed rock. Slabs can be reused for up to three seasons when they are properly sterilized.

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