Active Air Premium Ducting Nutrients-Additives they also fit standard hydroponics

they also fit standard hydroponics trays for use indoors

Cal-Mag™ Plus is a highly fortified calcium

Strengthens plant cells and tissues for increased resistance to stress

The tips for the Sardine hot knife can be swapped out and connected via a USB Type-C port

Use with Botanicare Nutrients or preferred nutrient program

Active Air Premium Ducting Nutrients-Additives they also fit standard hydroponicsProduct Details Active Air Premium Ducting is made of tough 3 ply aluminum foil laminate. It is designed for air cooling and can be used in different forms of heating and ventilation applications. This product is made to resist puncture and tears. One continuous and corrosion resistant helix wire is placed in the duct wall for structural support. Active Air Premium Ducting is perfect for the air cooled reflectors in your grow room. Includes (2) EZ