Cultiwool 4" x 4" x 2.5" Blocks of Cultilene Rockwool - Case of 216 ventilation Optional 1:1 ratio flow restrictor

Optional 1:1 ratio flow restrictor saves 50% more waste water

Read this how-to article about how to use heat mats for seed starting

Store Properly: Keep Safer Crawling Insect Killer in a cool

but also yield

including biweekly tissue samples and university analysis

Cultiwool 4" x 4" x 2.5" Blocks of Cultilene Rockwool - Case of 216 ventilation Optional 1:1 ratio flow restrictorDescription Cultiwool 4" x 4" x 2. 5" Block (216 Blocks Case) Cultilene: Cultiwool's growing blocks are known for their remarkable efficiency. Their superiority is linked to the consistent nature of our products. The swift and uncomplicated absorption of water and the even distribution of water throughout the substrate are prominent features of a competent growing medium. High Quality Stone Wool: Alongside offering the finest quality stone wool