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pH Testing & Control - Blowout Sale! Save up to 65%


Blowout Sale! Up to 65% off on pH Testing & Control at Option Ridge. Top brands include Armstrong International, Taco, Beepandles, Z3Z, Mepco, Krittapas Intertrade, Nicholson, GH pH, elincamp, NUZAMAS, Unknown, KKmoon, Hydro Empire, Bell & Gossett, & General Hydroponics. Hurry! Limited time offers. Offers valid only while supplies last.



Steam Trap, 15 psi, 2500,Max. Temp. 377° @ 175 psig
Steam Trap, 15 psi, 2500,Max. Temp. 377° @ 175 psig
By Armstrong International
In Stock
$674.28

mpn: NA, ean: 7437844122132,

4.2 out of 5 stars with 14 reviews
Specification: Item: Steam Trap(F)NPT Connections: 1-1/4"Max. Operating PSI: 15 psiEnd to End Length: 4-5/8"Condensate Capacity Lbs/Hr: 2500Max. Temp.: 377 Degrees @ 175 psigType: Float and ThermostaticBody Material: Cast IronPipe Configuration: Same...


Low Water Cutoff,NPT,Electronic,NEMA 1
Low Water Cutoff,NPT,Electronic,NEMA 1
By Taco
In Stock
$500.49

mpn: NA, ean: 7437844948954,

4.6 out of 5 stars with 87 reviews
This Low Water Cutoff works with an Electric Water Feeder (sold separately) to help maintain a safe water flow to the boiler. Unit has a PC board with external indicator lights and isolated end switch, and features a test button to verify wiring oper...


3-in-1 Soil Tester Meter (Moisture, PH acidity & Light Tester),Suitable For Houseplants, Outdoor Plants, Bonsais, Succulents, Trees, Grass and Lawn,Indoor/Outdoors to Use, Easy Read Indicator (No Ba
3-in-1 Soil Tester Meter (Moisture, PH acidity & Light Tester),Suitable For Houseplants, Outdoor Plants, Bonsais, Succulents, Trees, Grass and Lawn,Indoor/Outdoors to Use, Easy Read Indicator (No Ba
By Beepandles
In Stock
$10.99

ean: 0710154785578,

4.8 out of 5 stars with 36 reviews
Size:3 in 1 Functions: Measure soil MOISTURE, PH and LIGHT levels Easy to use: No Battery needed, Plug and read Scientifically accurate: keep your plants in a healthy range How to use: Simply insert the probes into the soil, and you'll get your read...


New 3in1 Plant Flowers Hydroponic Soil Moisture PH Light Meter Tester
New 3in1 Plant Flowers Hydroponic Soil Moisture PH Light Meter Tester
By Z3Z
In Stock
$18.98

ean: 8897785895844,

4.9 out of 5 stars with 98 reviews
Description: 100% brand new and high quality 3 in 1 multifunctional moisture, PH and light meter No battery required, simple and convenient to use Simply insert probe of the meter into the soil, switch to the setting you want to measure and read the ...


Steam Trap, 30 psi, 4200,Max. Temp. 450°F
Steam Trap, 30 psi, 4200,Max. Temp. 450°F
By Mepco
In Stock
$765.58

mpn: NA, ean: 7437844910937,

4.9 out of 5 stars with 10 reviews
Ideal for steam heating systems and steam process equipment that produce high amounts of condensate, this MEPCO steam trap features all working components constructed of non-corrosive metals for long life. The float valve assembly design allows rapid...


PH868-5 Digital Waterproof Water Quality pH Measurement Test Tool
PH868-5 Digital Waterproof Water Quality pH Measurement Test Tool
By Krittapas Intertrade
In Stock
$106.83

mpn: PUEGSAGIKA-BK-1081, ean: 0799789636752,

4.3 out of 5 stars with 113 reviews
Description : PH868-5 Digital Waterproof Water Quality pH Measurement Test Tool Features : Automatic Calibration with just a push of a button Easy 3 points Calibration (pH 4.00, 7.00, 10.00) Comes with the Standard Buffer Solutions pH4.0, pH7.0 and p...


Steam Trap, 600 psi, 2000,Max. Temp. 800°F
Steam Trap, 600 psi, 2000,Max. Temp. 800°F
By Nicholson
In Stock
$677.58

mpn: NA, ean: 7437844521577,

4.1 out of 5 stars with 143 reviews
Controls steam and condensate movement to maximize removal of latent heat from steam for efficient system operation. Stainless steel internal components. Compact trap can handle water hammer and superheat; installs easily in any position. The audible...


GH pH Down Liquid Quart 722120
GH pH Down Liquid Quart 722120
By GH pH
In Stock
$15.53

mpn: 722120, ean: 0791090258050,

4.8 out of 5 stars with 88 reviews
The Acid formulation uses food grade Phosphoric acid to lower the pH to the proper level. This powdered acid formula is easy to handle and ship. Lightweight in comparison to liquids. Widely recognized as a consistent and reliable product....


elincamp Water Quality Tester,Digital PH Meter for water quality,food,swimming pool,Aquariums, Hydroponics,PH Measurement for 0-14 PH,±0.1 Accurary,0.1 Resolution,LED Display Pocket Size (Yellow)
elincamp Water Quality Tester,Digital PH Meter for water quality,food,swimming pool,Aquariums, Hydroponics,PH Measurement for 0-14 PH,±0.1 Accurary,0.1 Resolution,LED Display Pocket Size (Yellow)
By elincamp
In Stock
$35.99
$12.59
You Save: 65%

mpn: 43217-75297, ean: 0716253025393,

4.5 out of 5 stars with 52 reviews
Specification: Range: 0.0-14.0 PH (Below or exceeding this range will cause the glass electrode to burst) Resolution: 0.1 PH Accuracy: ±0.1 pH Temperature compensation:0-50℃(Below or exceeding this range will cause the glass electrode to burst) Ba...


Steam Trap, 75 psi, 2800,Max. Temp. 450°F
Steam Trap, 75 psi, 2800,Max. Temp. 450°F
By Mepco
In Stock
$750.18

mpn: NA, ean: 7437844612671,

4.9 out of 5 stars with 101 reviews
Ideal for steam heating systems and steam process equipment that produce high amounts of condensate, this MEPCO steam trap features all working components constructed of non-corrosive metals for long life. The float valve assembly design allows rapid...


NUZAMAS LCD Display Digital Meter Temp PPM Tester Pen, Testing Water Quality, for Home Office, Swimming Pool, Lab, School Assignment Project
NUZAMAS LCD Display Digital Meter Temp PPM Tester Pen, Testing Water Quality, for Home Office, Swimming Pool, Lab, School Assignment Project
By NUZAMAS
In Stock
$13.88

mpn: water-tester-tds-3, ean: 0723540501836,

4.0 out of 5 stars with 46 reviews
Specifications 1.Measure Range: TDS:0-9990ppm 2.Accuracy: 2% 3.Net Weight:76g 4.Size: 155*31*23mm How to use it: 1.Remove the protective cap 2.Turn the TDS meter on 3.Immerse the meter into the water/solution up to the maximum immersion level1 4.Wa...


Steam Trap, 600 psi, 3050,Max. Temp. 800°F
Steam Trap, 600 psi, 3050,Max. Temp. 800°F
By Nicholson
In Stock
$716.08

mpn: NA, ean: 7437844117152,

4.9 out of 5 stars with 59 reviews
Controls steam and condensate movement to maximize removal of latent heat from steam for efficient system operation. Stainless steel internal components. Compact trap can handle water hammer and superheat; installs easily in any position. The audible...


Air Separator, 150psi,240,Automatic
Air Separator, 150psi,240,Automatic
By Taco
In Stock
$532.38

mpn: NA, ean: 7437844643699,

4.7 out of 5 stars with 8 reviews
Removes unwanted air from closed loop heating and cooling systems to help increase efficiency and eliminate noise.Specification: Item: Air SeparatorType: Automatic(F)NPT Connections (In.): 1-1/2Connection: 1-1/2" (F) NPTOverall Height (In.): 9.125Max...


Ph Tester Meter - Soil Ph Meter - Portable PH Meter PH Tester Soil Precision Glass Probe Detector Water Quality Analyzers ( Ph Tester Soil )
Ph Tester Meter - Soil Ph Meter - Portable PH Meter PH Tester Soil Precision Glass Probe Detector Water Quality Analyzers ( Ph Tester Soil )
By Unknown
In Stock
$18.43

mpn: 5603077124270, ean: 5603077124270,

4.6 out of 5 stars with 92 reviews
Ph Tester Meter - Soil Ph Meter - Ph Tester Soil | Description : Analyze water quality or testing the soil PH. This portable PH meter is your good assistant in garden. It's convenient to calibration by a botton with two standard solutions. Specifica...


KKmoon Water Quality Analysis Device Professional & Power-saving pH-006 Pen-Type pH Meter High Precision with Automatic Temperature Compensation ATC Function Auto Calibration and Backlight LCD
KKmoon Water Quality Analysis Device Professional & Power-saving pH-006 Pen-Type pH Meter High Precision with Automatic Temperature Compensation ATC Function Auto Calibration and Backlight LCD
By KKmoon
In Stock
$15.99

mpn: 4336465315, ean: 0714424444264,

4.9 out of 5 stars with 74 reviews
This pen-type pH meter is professional and useful water quality tool for testing pH of the solution level. Suitable for aquarium pool, drinking water and environment water. Compact light and portable pen-type design. Features: Great to measure the pH...


General Hydroponics pH Down Quart - Lower Nutrients pH in Hydroponic Soil System - The Most Advanced Phosphoric Acid to Test in Your Garden Includes 5 Pipettes and Squeeze Bottle Solution Control Kit
General Hydroponics pH Down Quart - Lower Nutrients pH in Hydroponic Soil System - The Most Advanced Phosphoric Acid to Test in Your Garden Includes 5 Pipettes and Squeeze Bottle Solution Control Kit
By Hydro Empire
In Stock
$20.45

ean: 0812099022272,

4.3 out of 5 stars with 47 reviews
To maximize plant growth, the pH up and down level of your nutrients should be slightly acidic. Experienced growers consider the ideal pH for most crops to fall between 5.5 and 6.5. Users of General Hydroponics nutrient products generally do not expe...


Eliminator,Air And Gas
Eliminator,Air And Gas
By Bell & Gossett
In Stock
$553.29

mpn: NA, ean: 7437844440458,

4.6 out of 5 stars with 31 reviews
Specification: Item: Hydronic Air VentType: High Pressure Automatic Float(F)NPT Connections (In.): 3/4 and 1/2Connection: Inlet Bottom 3/4" (F)NPT, Side 1/2" (F)NPT, Outlet 1/2" (F)NPTOverall Height (In.): 7"Max. Temp. (F): 300Max. Pressure (PSI): 25...


Heat Exchanger,50 Plates,0.0704 Gal/Chnl
Heat Exchanger,50 Plates,0.0704 Gal/Chnl
By Bell & Gossett
In Stock
$5,642.98

mpn: NA, ean: 7437844555589,

4.7 out of 5 stars with 95 reviews
Efficient design and compact size allow more heat transfer using less space. Suitable for residential applications such as radiant, snow melt, domestic hot water, and pool heating. Can be used as refrigerant condenser and evaporator, as oil cooler fo...




Low Water Cutoff,NPT,Electronic,NEMA 1
Low Water Cutoff,NPT,Electronic,NEMA 1
By Taco
In Stock
$500.49

mpn: NA, ean: 7437844948961,

4.8 out of 5 stars with 103 reviews
This Low Water Cutoff works with an Electric Water Feeder (sold separately) to help maintain a safe water flow to the boiler. Unit has a PC board with external indicator lights and isolated end switch, and features a test button to verify wiring oper...



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