
Frequently asked questions
What is the Rockwool Cube Tray used for?
It is a tray of Cultilene stonewool cubes for starting cuttings or seedlings. The cubes are made to fit large hole blocks and can be moved into 3 inch (75mm) rockwool cubes.
Which Rockwool Cube Tray should I choose?
Choose 77 cubes per tray at 1.5 inch (36mm) or 150 cubes per tray at 1 inch (25mm). Both are also sold in boxes of 18 trays.
Are the rockwool cubes sterile?
The cubes are inert and pathogen free, with a good air-to-water ratio and strong, stable structure.
Found It Cheaper?
We're committed to offering the best prices on hydroponics equipment. If you find a lower price elsewhere, let us know and we'll do our best to match it.