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
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Perfect for any automatic shut off application or just as a backflow preventer.
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Extra tubing. 1/2" O.D., 3/8" I.D.
1/2" natural-colored tubing, comes in 250 foot roll
Flowmaster - 1/4" QC - gallonage & filter capacity monitor. Operates at flow rates between...
Installs on inlet line. If there is a leak anywhere in the system and water...
Even a small amount of chlorine can destroy your RO membrane. This carbon block filter...
Super fine weaved filter removes smaller sediments from water without premature clogging. Use for first...
A true thin film composite (TFC) reverse osmosis membrane, made from high quality TFC sheets...
This 3-stage reverse osmosis unit is ideal for fresh water applications, drinking and more. Comes...
A true thin film composite (TFC) reverse osmosis membrane, made from TFC sheets - tested...
Replacement wrench for standard housing.
Protects booster pump from sediment and other particles. Cleanable stainless steel mesh screen. Clear housing....
3/8" black tubing, comes in a 500 foot roll
Comes complete with a 10" sediment and 10" carbon filter to remove chlorine and sediment...
Comes complete with a 20" sediment and 20" carbon filter to remove chlorine and sediment...
A post polishing de-ionization filter that removes any remaining PPMs down to zero.
Use the Hydrologic reverse osmosis water filter Algae Block - clear filter housing sleeve to...
Big Boy - 20"x4.5" filter housing - grey/black cap - 1" ports
Keep your air fresh, your equipment in tip top shape, and your grow room at...
Ultra high capacity instant de-chlorinator. Removes 99% of chlorine and 90% of sediment. Comes with...
Use the Hydrologic reverse osmosis water filter Big Boy garden hose connection kit to customize...
Hydro Logic Big Boy KDF85 Carbon Replacement Filter-The KDF85 Filter is ideal for well water...
Keep your water fresh, your equipment in tip top shape, and your grow room at...
3744 10th St NE, Washington DCCapital City Organics202-248-2483Get Directions
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 ;
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