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
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$71.96
De-Ionization Cartridge (Big): 10" X 4.5"- Color changing- Transluscent housing ?ÕÌ_
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$67.50
Measure the untreated water coming in vs. the purified water going out of your Reverse...
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$0.00
Pure spring water produced at home easily! * Simple yearly replacement of main 4 stage...
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$17.10
Use the Hydrologic reverse osmosis water filter Evolution-RO1000 1:1 ratio orange drain elbow 3/8" QC...
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$710.96
High flow reverse osmosis system. Capable of producing 1,000 gallons per day. Includes two RO...
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$48.56
Standard carbon pre-filter included with the Evolution system. For chlorine and chloramines reduction in city...
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$166.46
Standard membrane included with system.?ÕÌ_Two are needed for Evolution system.
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$16.65
3/8" supply diverter valve for faucet - for Stealth-RO and Tall Boy
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$62.10
This is a replacement canister for the Merlin Garden Pro.
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$37.80
Float Kit for the Merlin Garden Pro High-Flow reverse Osmosis System.
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$60.30
Use the Hydrologic reverse osmosis water filter Float Valve - Big - 20+ GPM for...
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$17.10
1/2" barbed connection. Adjustable water level and can be mounted horizontally or vertically.
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$53.10
The Flowmaster by Hydro-Logic measures how many gallons of filtered water have gone through the...
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$49.46
Compact garden hose filter. Eco-friendly green coconut carbon and KDF55 medias. Includes "filter saver" brass...
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$35.10
Now chloramines, iron, hydrogen sulphide and heavy metals don't stand a chance against Hydro-Logic's newest...
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$67.46
Now chloramines, iron, hydrogen sulphide and heavy metals don't stand a chance against Hydro-Logic's newest...
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$3.15
Allows ?Õ_" and 3/8" faucet diverters to connect to faucets with 15/16" - 27 female...
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$31.46
Replacement carbon filter for Merlin (Garden Pro) RO filtration system.
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$89.10
The 1 GPM Ultra-Violet Sterilizing filter makes sure that any possible bacteria or harmful micro-organism...
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$141.26
Replacement membrane filter for Merlin (Garden Pro) RO filtration system.
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$23.36
Replacement sediment filter for Merlin RO filtration system.
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$17.10
Eco-Green Drain Elbow 3/8" QC, for the Merlin-GP Produces 30 gallons per hour or 750...
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$80.96
Standard carbon pre-filter included with the Evolution system. For high-capacity chlorine and chloramine reduction in...
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$251.96
High capacity pre-filter for Evolution-RO1000. Adds 2 extra pre-filter stages before Merlin-GP.
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$31.46
Standard sediment pre-filter included with the Evolution system. Pleated and cleanable.
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$791.96
Heavy duty, commercial booster pump designed for continuous use. Includes integrated low pressure and high...
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$44.10
Pressure Regulator - 3/8" QC fittings -makes sure no more than 85 psi reaches filter...
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$0.00
Quick Disconnect 1/2" X Garden Hose Adapter Does not include hose.
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$0.00
Quick Disconnect 3/8" X Garden Hose Adapter Does not include hose.
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$13.05
Replacement filter for Stealth RO100 Customized Reverse Osmosis Filter (HLRO100).
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$14.85
Replacement green carbon filter for stealth reverse osmosis filtration system
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$134.10
This kit consists of a float valve with a 3/8" quick connect fitting and adjustable...
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$96.26
Removes up to 99% of chlorine and 90% of sediment, rust, silt, etc. @ 1...
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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