We are Washington, D.C's premier location for all of your horticultural needs.
Located at 3744 10 St. NE, Washington, D.C. ; 20017
Call us at 202-248-2483.
Open 7 days a week Mon-Fri 11-7pm
Sunday 11-6pm
We are Washington, D.C's premier location for all of your horticultural needs.
Located at 3744 10 St. NE, Washington, D.C. ; 20017
Call us at 202-248-2483.
Open 7 days a week Mon-Fri 11-7pm
Sunday 11-6pm
+ Quick Look
$56.66
Now includes mogul socket and 15' cord set. 45" Vertical Reflector with slotted housing and...
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$103.95
The quality construction features European aluminum interior reflector, for directing light more precisely over a...
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$124.95
DE1000Zh Reflector: Hydrofarm engaged a renowned American lighting engineer to design the most efficient DE enclosed...
+ Quick Look
$124.95
DE1000Lh Reflector: Hydrofarm engaged a renowned American lighting engineer to design the most efficient DE...
+ Quick Look
$12.60
LENS ONLY FEATURES Low profile - 19.4" x 12.2" x 6.8" Very easy to hang...
+ Quick Look
$29.95
Cooling fan system for Sunburst. Has a 4" flange. NOTE: Does not fit Mini Sunburst....
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$34.99
For the ultimate in air-cooling for your Phantom CMh reflector, pick up this optional cooling...
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$159.95
The Daystar AC is the answer for those wanting high performance coupled with maximum air...
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$119.95
The Daystar has evolved from our high performance GLX commercial greenhouse reflector. The greenhouse challenge...
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$56.65
The REFLECTOR HEAT SHIELD is a sturdy, custom-fitted cover that double insulates your existing air-cooled...
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$62.95
The REFLECTOR HEAT SHIELD is a sturdy, custom-fitted cover that double insulates your existing air-cooled...
+ Quick Look
$56.65
The REFLECTOR HEAT SHIELD is a sturdy, custom-fitted cover that double insulates your existing air-cooled...
+ Quick Look
$62.95
The REFLECTOR HEAT SHIELD is a sturdy, custom-fitted cover that double insulates your existing air-cooled...
+ Quick Look
$62.95
The REFLECTOR HEAT SHIELDTM is a sturdy, custom-fitted cover that double insulates your existing air-cooled...
+ Quick Look
$14.95
Jump Start T5 Snap-On Reflector Adds growing power to your light strip by directing light...
+ Quick Look
$19.95
Jump Start T5 Snap-On Reflector Adds growing power to your light strip by directing light...
+ Quick Look
$5.95
Replacement lens for LUMii/Xtrasun 6 and 8" Reflectors. This item is the piece of lens glass...
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$22.95
Replacement lens for Raptor 6" Reflector. Note: this item is the piece of lens glass only,...
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$19.95
Replacement lens for RD6AC and RD8AC Radiant 6" and 8" Reflectors. This item is the piece of...
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$19.95
Replacement lens for RD8VAC Vertical Radiant 8" Reflector. This item is the piece of lens glass only,...
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$29.95
DA6AC Lens System. Includes replacement lens, frame and weather stripping for Hydrofarm's air cooled Daystar 6"...
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$16.20
Protective lens option keeps bulb and reflective surfaces clean. Fits only Non Air-cooled Daystar, DAUN....
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$35.95
Comes with foam strips, brackets, and hardware for previous generation RDUN. : 20 1/2" x...
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$16.00
Upgrade your Sunburst reflector with this optional lens system. Using a lens with your grow...
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$13.99
Upgrade your Sunburst Adjustable HPS/MH fixture (SBD2540) with this optional lens system. Using a lens...
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$16.65
Completely seal your Xtrasun 6" Air Coolable reflector from your grow area, to allow fast and...
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$35.96
Replacement tempered glass lens for the Mondo 6" Air Coolable Reflector. Includes mounting hardware and...
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$39.95
Replacement tempered glass lens for the Mondo 6" Air Coolable Reflector. Includes mounting hardware and...
+ Quick Look
$16.65
Lens system for Xtrasun AC white reflector (XT1AC). This is not a reflector unit. ...
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$40.46
Comes with foam strips, brackets, and hardware. : 21.8L x 21.8W x 1.9H The image...
+ Quick Look
$17.95
Replacement lens for RDUN Reflectors. This item is the piece of lens glass only, not...
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$157.95
Phantom 315W - Ceramic Metal Halide Reflector For an intense downward light pattern, the PHR3150 is your best choice...
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$169.95
Ultra-wide light delivery in a super compact reflector The Phantom 6" AC proves that good...
Capital City Hydronics is now closed.
We want to thank all of our customers for their support and invite you to our main location.
11am-7pm Mon-Sat ;
11am-5pm Sundays
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