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Tips to Rockwool Plugs
1.Powder will be produced if tear by hand, it is recommended to use scissors for cutting with wearing gloves and masks.
2. You can steam cubes, or pouring boiling hot water through if you are going to reuse them for a successive growing season, or even numerous seasons.
3. Rockwool is not composed of natural materials so it will not break down over time. Instead of throwing them away, break up the pieces and work them into your garden or potting soil to help increase their water retention.
Perfect Growing Medium in Hydroponic Growing Systems
Good Water Absorption & Strong Air Permeability
Material: basalt and chalk
Specifications:
49 cubes x 2, 98 cubes in total
50 cubes x 4, 200 cubes in total
50 cubes x 1, 50 cubes in total
Wide Application:
- Hydroponics, seed starting, rooting, sprouting, plant propagation, cloning systems and so on.
- Use to starting seeds and rooting propagation cuttings: lettuce, watercress, tomatoes, peppers, cucumbers, melons, strawberries, basil, mint, and more.
Lance Oren
August 18, 2025
Fantastic product for hydroponics gardens. Even small diy projects are made easy with this product. Simple 4†drain pipe, a series of 2†drilled holes, 1†barbed bulkhead fittings, tubing & small fist tank pump & this product. You're hydrophobic gardening ðŸ‘
Don Ellwood
June 26, 2025
Came in on time and work perfectly
Marian742
June 5, 2025
First time user. So far so good plants seem to germinate quickly and their survivability looks good
Derick Mitchell
June 4, 2025
Got this product and it has been a game-changer! The quality is top-notch, and it performs flawlessly. Setup was a breeze, and it has made my life so much easier.For the price, you can’t beat it! Highly recommend to anyone looking for this product, don’t hesitate—get it now!
Catherine Bryan
April 17, 2025
First time user, not sure what to expect from product. I put it to use the day I received it. So far it is as expected. My experience with the seller was great.
Lora Jorgensen
March 2, 2025
Work great for starting plants! I then transferred them to my grow tower!
Natasha
January 24, 2025
Very loose cheap product you will touch it and will float on the air everywhere and it’s Fiberglass not rockVacuming now trew the box to trash after realizing how dangerous is to use at home
Just a reviewer
January 11, 2025
All of the rock wools arrived fallen apart into small layers of fibers. One might need to use scissor to cut into square and somehow glue it back together into a cube or payer the broken pieces into a net post that it can establish a base. This is the first time we ordered from this brand and sadly it will be the last for its poor quality.
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