HS 640W
HS 640W
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HS 640W

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       The CaliHydro Ray is a full-cycle top-lighting solution for commercial horticulture cultivation. Featuring power that scales from vegetative growth to bloom. For optimal results, We recommend the CaliHydro™ Ray deployed in environments with CO2 supplementation between 800-1400 ppm during the reproductive growth stage due to high PPFD levels.

 Model: Hydro Spider™ 
General Spectrum:
Samsung 2835 SMD+660nm
Spectrum UV IR:


       Ideal for 4x4 and 5x5 Grow spaces. The Hydro Spider™ system delivers extremely high and uniform levels of PPFD throughout your grow space. Your plants will receive 1,480 μmol/m2/s at the average mounting height of 12 to 18 inches. 

PPFD is a ‘spot’ measurement of a specific location on your plant canopy, and it is measured in micro-moles per square meter per second (μmol/m2/s). If you want to find out the true light intensity of a lamp over a designated growing area (e.g. 4’ x 4’), it is important that the average of several PPFD measurements at a defined height are taken. 

       At 2.8 μmol/J HYDRO SPIDER™ is helping re imagine energy-efficient, sustainable crop production.

 μmol/J stands for micro-mole per Joule. It is a measurement to determine how efficient a light is at converting electrons into photons. Fluence lighting systems are some of the most efficient on Earth. They are also some of the most powerful.


Cali Hydro uses an advanced full spectrum for complete physiological plant growth. Previously, 660nm (red) and 450nm (blue) were the most efficient LED packages, and coincided with peak Chl A and Chl B absorption areas.

Orders are normally shipped within 1 business day.
However, in some cases longer shipping times may occur.

If you need the product(s) by a specific date, please contact us by phone at (313) 610-6802 and we will do everything that we can to accommodate this request.

Free shipping is only available to destinations within the continental United States and items will be shipped via standard ground shipping.