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Square Wave Technology
the KDF85 filter not only protects your hydroponic system but also helps preserve essential nutrients and beneficial microbes
Gradual Nutrient Release: Ensures a steady supply of nutrients throughout the bloom phase
Ensures accurate pH and EC probe readings
The model you remember and the one on this page are the same family
Cycloptics Greenbeams 315w Ceramic MH CMH Hobbyist 120v Fixture 4200k (OLD VERSION) Hydrofarm Square Wave TechnologyThis is the complete Ceramic MH fixture that comes with ballast, bulb, and reflector. The Cycloptics reflector comes with a 6 foot lamp cord. Plug and play ready to go out of the box. Choose the spectrum for your specific purpose. We recommend the Philips 4200k (full spectrum) bulb for supplementing HPS bulbs and for vegetative growth. The Philips 3100k Agro is recommended if this will be your primarily light for the flowering phase of growth.