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6" Cool Tube

Hydroponics is a method of growing plants using mineral nutrient solutions, in water, without soil. Terrestrial plants may be grown with their roots in the mineral nutrient solution only or in an inert medium, such as perlite, gravel, mineral wool, or coconut husk
Join our family discount club - Free membership for a limited time! When you place your first Hyrodponic order with us, you will be automatically registered in our family growing club. This is a new program we are excited to offer to our customers. Club members will get disount coupons and access to special club only member deals!. Full details coming this weekend so get in early ... Free Growing Club membership offered to the first 100 customers only.
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$142.94
Manufacturer: HydroFarm
SKU: RFCOOL6
Delivery date Usually ships within 3 days
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The quality construction features European aluminum interior reflector, for directing light more precisely over a growing area. The securely mounted 5KV mogul socket is completely prewired inside a protective junction box. The multi-point hanging system allows the unit to be hung horizontally or vertically for different growing applications. Now included is the patented Lock and Seal 15' heavy duty lamp cord allowing you to conveniently plug into any Hydrofarm or Xtrasun ballast.



  • 6" or 8" (RFCOOL8) diameter by 19" long accommodates most lamp types up to 1000W

  • Superior packaging protects unit during shipping and handling

  • Internal and external reflectors included

  • Highest quality European aluminum

  • 15' 600v cord and mogul socket included; easily attaches to any Hydrofarm ballast

  • The most compact and effective way to get bright light over, or in your growing area

  • Streamlined design allows cooling airflow to move unimpeded, keeping growing area
    temperatures lower and allowing you to position your lamp very close to your plants

  • Can hang vertically down into the plant canopy and is ideal for enclosed growth chambers


The quality construction features European aluminum interior reflector, for directing light more precisely over a growing area. The securely mounted 5KV mogul socket is completely prewired inside a protective junction box. The multi-point hanging system allows the unit to be hung horizontally or vertically for different growing applications. Now included is the patented Lock and Seal 15' heavy duty lamp cord allowing you to conveniently plug into any Hydrofarm or Xtrasun ballast.



  • 6" or 8" (RFCOOL8) diameter by 19" long accommodates most lamp types up to 1000W

  • Superior packaging protects unit during shipping and handling

  • Internal and external reflectors included

  • Highest quality European aluminum

  • 15' 600v cord and mogul socket included; easily attaches to any Hydrofarm ballast

  • The most compact and effective way to get bright light over, or in your growing area

  • Streamlined design allows cooling airflow to move unimpeded, keeping growing area
    temperatures lower and allowing you to position your lamp very close to your plants

  • Can hang vertically down into the plant canopy and is ideal for enclosed growth chambers