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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$70.16
DiSTs are rugged and reliable pocket-sized testers that offer quick and accurate readings of conductivity...
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$117.86
When the original DiST (Dissolved Solids Tester) was first introduced, conductivity and total dissolved solids...
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$62.96
EC/TDS Probe for HI981409 & HI981410 with DIN connector measures 24 cm (9.4") and can...
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$17.96
Clean the liquid junction of your electrodes at least once a week to prevent clogging...
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$54.86
Check your refillable electrolyte level before performing any measurements. If the level is low, refill...
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$125.06
Gro'chek Replacement Probe for H19813-6
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$189.95
This continuous reading meter is ideal for agricultural, horticultural, and hydroponics applications where pH and...
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$54.85
pH combination electrode Ultem body double-junction, refillable, cloth junction, gel filled, 1m cable
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$175.45
This waterproof tester offers high accuracy pH, EC/TDS, and temperature measurements all in a single tester!...
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$213.95
The mini pH controller has been designed for easy, affordable installation in tight spaces, ideal...
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$34.99
Hanna's Buffer solutions are made from established formulas and are standardized with a pH meter...
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$34.99
pH 7 is the most frequently used pH buffer. All Hanna solution bottles come with...
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$60.95
The Hanna Instruments HI1333B is a combination (full-cell) pH electrode with a single ceramic junction,...
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$192.95
pH Combo Electrode Glass Body - Refillable Temp. Sensor
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$219.99
This pH controller has been designed for easy, affordable installation in tight spaces, ideal for...
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$68.99
pH electrode with 2 m (6.6') cable for HI981401N, HI981404N, & HI9815047. Why keep a...
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$64.99
The pHep revolutionized the pH industry by providing non-technical personnel with a simple, inexpensive solution...
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$29.95
Spare pH electrode for HI98103 and HI9910 with cloth junction, for general purpose, field applications.
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$72.99
Replacement pH Electrode for HI98127, HI98128, HI98129, & HI98130
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$25.97
ORP standard solutions allow you to test the precision of ORP electrodes. For example, by...
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$47.66
HI 99104 is an ideal pocket tester designed with a 0.01 pH resolution and two...
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$220.46
Experience ease and simplicity in taking pH, µS/cm, ppm (mg/L), and temperature measurements with this...
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$17.06
Hanna's buffer solutions are made from established formulas and are standardized with a pH meter...
+ Quick Look
$17.06
All Hanna solution bottles come with a pH Vs. temperature chart together with the production...
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$48.99
Primo testers provide a fast and dependable way to measure the total dissolved solids or...
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$106.95
This replacement probe supports the combination pH electrode for field applications. The HI 9026 is...
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$34.95
Salinity (NaCI) Calibration solution 30G/L
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$18.86
Single-dose sachets are quick and easy to use. Each sealed, light tight sachets holds just...
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$18.86
Single-dose sachets are quick and easy to use. Each sealed, light tight sachets holds just...
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$17.06
Hanna storage solutions are prepared with high-grade potassium chloride and potassium hydrogen phthalate by titration...
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$115.16
Conductivity and Total Dissolved Solids measurements have never been easier. DiST's ease-of-use, in combination with...
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$99.86
The pHep® 4 tester is for users that require the greatest accuracy and features while...
Come visit us at CAPITAL CITY ORGANICS in Brookland, DC
11am-7pm Mon-Sat ;
11am-5pm Sundays
***Prices Are Subject To Change***
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