CropKing® Fertroller for NFT System fall-planting Select models are UL507-certified for

Select models are UL507-certified for indoor or outdoor use and include a built-in GCFI plug for safety

Maximize your growing space or create a bright

By mounting it on a slab foundation

Daisy chainable up to 8 lights - SUNPACK Light Fixture Link Cord available separately

(1) Hole Punch

CropKing® Fertroller for NFT System fall-planting Select models are UL507-certified forThe Fertroller allows for automatic control of the EC (electrical conductivity) and pH (potential Hydrogen) of the hydroponic nutrient solution in recirculating the NFT System. This automated control helps maintain consistent solutions, prevents possibly harmful variations, and in turn can lead to higher yields and overall higher crop quality. The BlueLab Dostronic controller is designed specifically for greenhouse hydroponic growing systems and is