Perlite Super Coarse 100L Tank Simply dim the ballast if

Simply dim the ballast if temperatures get to high and turn it back up when they cool

Light Management Unit (LMU) Assembly Kit

Grodan substrate slabs and blocks produced using this technology offer users considerable advantages over other propagation substrates

Automatic shut off and ‘on’ light

from seedling to a heavy harvest

Perlite Super Coarse 100L Tank Simply dim the ballast ifPerlite is a heat expanded siliceous rock product for use as a hydroponic growing medium. Perlite retains enough moisture for it to be effective as a hand watered medium, but also has sufficient drainage to be used in a recycling drip irrigation system. Perlite is extremely lightweight and is suitable for use in a variety of growing containers, including pots, trays, bottom fed auto watering systems, etc.