Black Ops Replacement Pre-Filter 10 in x 39 in White Grow Lamps Equipped with an electronic safety

Equipped with an electronic safety device that protects the pump from dry-running

promoting growth of Chitin eating bacteria in soil

The Bluelab® Combo Meter is a conductivity

Soul Bloom is balanced for more of what a plant needs during its bloom stage and was purposely created to be user friendly and pH stable

Bloom provides a rich mix of trace elements such as magnesium

Black Ops Replacement Pre-Filter 10 in x 39 in White Grow Lamps Equipped with an electronic safetyUse these for a pre filter on you Black OpsNutrients Carbon Filters. Match the pre filter to your Black OpsNutrients Carbon Filter size. Helps to extend the life of your Black OpsNutrients Carbon Filter by keeping dust and other particles out. The white pre filters give a bright, clean appearance.