Halatool 1 Inch Rockwool Cubes Garden Rock Wool Stonewool Grow Cubes Starter Plugs for Hydroponics Soilless Cultivation Clone Plants Germination Start (4 Sheets of 200 Cubes)

This is the best material for moisture retention and growth rate and making your seeds have a germination rate that’s very strong. It can be used in any pot for the best quality!!

As described.

This works good. Holds moisture good. Only issue I have is that it falls apart too easy when cutting it into individual pieces. Even with a sharp razor.

Does not fit my hydroponic system

I guess they work I wasn’t too happy with it. They were a bit small, but those are the ones I ordered the problem was you can’t break them apart they rip in all different spots. No I won’t be purchasing these again.

I decided to try the rockwool cubes for my hydroponic system, but they were a letdown from the start. The cubes were far too brittle and broke apart as I tried to use them, making the setup process frustrating. The plugs didn’t hold seedlings well and kept collapsing, which hindered germination. After just a few days, I noticed that the cubes weren’t retaining moisture as expected, leaving my plants struggling to get enough water. The product seemed to be of poor quality compared to other rockwool cubes I’ve used in the past, with a flimsy texture that didn’t hold up under normal use. Moreover, there was an unpleasant chemical smell when I soaked them, which was concerning for the health of my plants. The package was also poorly sealed, and some of the cubes were already damaged before I even opened it. I wouldn’t recommend this to anyone serious about hydroponics—it’s a waste of money and time.

Worked great in seed dome. 45-50% germination rate in 24 hours. Used to start my vegetable garden

Great deal. As expected. 1.2” will squeeze into 1” trays well.