830,000+ results for Ph...
- 4 in 1 Digital PH EC Meter LCD Tester Pocket Hydroponics Aquarium Water Test PenOpens in a new window or tabBrand New$18.98Save up to 10% when you buy moreList price: $28.98 35% offTop Rated Pluseeekitonline (451,205) 99.1%Free shippingFree returns287 sold
- Milwaukee Instruments pH600 Digital pH PenFast, accurate results with LCDOpens in a new window or tabBrand New$28.00Save up to 8% when you buy moreTop Rated PlusFree 2-3 day shippinggetultimatenow (3,184) 100%Free returns18 watchers
- PH HORN RH224.2608.03 Insert Holder NEWOpens in a new window or tabNew – Open box$39.95indexablecarbide (9,224) 99.9%+$7.50 shipping
- Essentia Water, 9.5 pH, 1 Liter Bottle (Single Bottle)Opens in a new window or tabBrand New$9.99ameretail (1,192) 98.7%Free shippingFree returns
- 4 in 1 PH Tester Soil Water Moisture Light Test Meter for Garden Plant SeedingOpens in a new window or tabBrand New$8.35Save up to 18% when you buy moreTop Rated PlusFree shippingsailing-global (7,896) 99.1%Free returns113 sold
- 7 in 1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter PenOpens in a new window or tab❤️900+Sold✔️IP67 Waterproof✨60Day Free Return⭐Save15%UPBrand New7 product ratings - 7 in 1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter Pen$21.48Save up to 15% when you buy moreList price: $30.98 31% offTop Rated Plusredtagtown (360,548) 99.4%Free shippingFree returns1,139 sold
- Bluelab Combo Meter Plus - Handheld Digital Hydroponic Nutrient and pH MeterOpens in a new window or tabPre-Owned$35.20sumek-67 (16) 100%1 bid · Time left5d 9h left (Wed, 02:44 PM)+$10.40 shipping
- 4 in 1 PH Tester Soil Water Moisture Light Test Meter for Garden Plant SeedingOpens in a new window or tabBrand New$8.25Save up to 15% when you buy morefrentaly (241,039) 97.9%Free shipping457 sold
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Sponsored | Top selling items from highly rated sellers with free shipping- Bluelab BLU2210 pH Pen - Blue/WhiteOpens in a new window or tabPre-Owned$18.50curtiphillip4 (532) 100%4 bids · Time left5d 8h left (Wed, 01:32 PM)+$6.15 shipping
- Digital PH Meter Tester 0.1 Accuracy PH Meter for Water etc. Portable PH MeterOpens in a new window or tabBrand New$5.37wezha-84 (3,612) 99.5%Was: $5.90 9% offFree shippingLast one38 sold
- New ListingPH100 Exstik Ph Waterproof MeterOpens in a new window or tabBrand New$135.02robertorin_0 (24) 100%Free shippingFree returns
- Digital Electric PH Meter Tester LCD Hydroponics Aquarium Water Pocket Test PenOpens in a new window or tabBrand New$8.99Save up to 15% when you buy moreWas: $17.98 50% offTop Rated Plusgatorcable (258,426) 99.6%Free 2-3 day shippingFree returns
- Bluelab Guardian Monitor Connect In-Line connect appOpens in a new window or tabPre-Owned$45.00liquidation15 (2,588) 95.4%3 bids · Time left13h 15m left (Today 06:07 PM)+$14.00 shipping
- PH HORN 356.2016.2001 Insert Holder NEWOpens in a new window or tabNew – Open box$39.95indexablecarbide (9,224) 99.9%+$7.50 shipping
- Digital Electric PH Meter LCD Tester Pocket Hydroponics Aquarium Water Test PenOpens in a new window or tabBrand New$8.89Save up to 7% when you buy moretheperfectpart (871,219) 99.9%Free shippingFree returns2,380 sold
- Milwaukee PH55 PRO Waterproof pH & Temperature Tester with ATC & Replaceable ProOpens in a new window or tabBrand New$61.00Save up to 10% when you buy moreTop Rated PlusFree 2-3 day shippinggetultimatenow (3,184) 100%Free returns20 watchers
- Digital Electric PH Meter LCD Tester Pocket Hydroponics Aquarium Water Test PenOpens in a new window or tabBrand New$6.71Save up to 15% when you buy moreWas: $7.90 15% offwincen-1 (20,317) 98%Free shippingFree returns284 sold
- 5in1 LCD Soil PH Tester Water Moisture Light Test Meter for Garden Plant SeedingOpens in a new window or tabBrand New$8.99 to $17.45Top Rated Pluspinshion-mall (4,682) 99.8%Free shippingFree returns
- 5in1 LCD Digital PH Soil Tester Plant Lawn Water Moisture Temperature Test MeterOpens in a new window or tab✅8" Probe✅Accurate Data✅Digital Display✅Battery IncludeBrand New$17.48Save up to 10% when you buy moreList price: $31.48 44% offTop Rated Plusnsioutlet (525,598) 99.3%+$0.99 shippingFree returns707 sold
- 2Pcs Digital LCD PH Meter Pen +TDS EC Water Purity PPM Temperature Tester ToolOpens in a new window or tabBrand New$12.29Top Rated Plusthebatteryconnection (931,828) 98.1%Free shippingFree returns1,649 sold
- 7 in 1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter PenOpens in a new window or tabBrand New$20.48Save up to 10% when you buy moreList price: $33.98 40% offTop Rated Pluspartsdomauction (333,165) 99.4%Free shippingFree returns3,126 sold
- 5 in 1 LCD Digital PH/TDS/EC/Salinity/Temperature Water Quality Meter Tester PenOpens in a new window or tabBrand New$36.99vivosun-sgs (4,410) 98.9%Free shippingFree returns137 sold
- New Listing3-In-1 Soil Tester Kit with Plant Moisture, Light and Ph Tester, Soil Ph Meter fOpens in a new window or tabBrand New$17.80buy_depot (0) 0%Free shippingFree returns
- 5 in1 LCD Digital Soil PH Meter Tester Temperature Sunlight Fertility HygrometerOpens in a new window or tabBrand New$8.19 to $19.68Top Rated Plussyj-thermal (259) 99.6%Free shippingFree returns14+ sold
- 5 in 1 LCD Digital PH/TDS/EC/Salinity/Temperature Water Quality Meter Tester PenOpens in a new window or tabBrand New$17.99elecprog_49 (1,349) 97.4%Free shipping
- 4 In 1 LCD Digital Soil Tester PH Water Moisture Temperature Sunlight Plant TestOpens in a new window or tabBrand New$9.99housing753 (3,364) 98.8%Free shipping17 sold
- NEW WaterGuru Sense Smart Pool Monitoring System Chlorine & pH Pool COMPLETE SETOpens in a new window or tabBrand New$69.99Top Rated Pluspotential.electronics (6,708) 99.7%Free shippingFree returns214 sold
- 3-in-1 Soil pH Water Moisture Light Tester Meter For Plants Garden Seeding GrowOpens in a new window or tabBrand New$8.99Save up to 15% when you buy moreWas: $17.98 50% offTop Rated Plusgatorcable (258,426) 99.6%Free 2-3 day shippingFree returns1,224 sold
- PH HORN 356.0028.2288 Insert Holder NEWOpens in a new window or tabNew – Open box$29.95indexablecarbide (9,224) 99.9%+$7.50 shipping
- PH HORN P101.01 Insert Holder NEWOpens in a new window or tabNew – Open box$39.95indexablecarbide (9,224) 99.9%+$7.50 shipping
- Milwaukee Instruments pH and ORP Meter bundle (MW102 PRO+ & MW500 PRO)Opens in a new window or tabBrand New$289.30Top Rated Plusgetultimatenow (3,184) 100%Free 2-3 day shippingFree returns5 watchers
- Milwaukee pH54 Waterproof pH Tester with Replaceable ProbeOpens in a new window or tabBrand New$40.00Top Rated Plusgetultimatenow (3,184) 100%Free 2-3 day shippingFree returnsAlmost gone21 sold
- Digital Electric PH Meter LCD Tester Pocket Hydroponics Aquarium Water Test PenOpens in a new window or tabBrand New$6.69inn_2720 (195) 99%Free shipping103 sold
- 3 in 1 Digital PH Tester Sunlight Soil Moisture Meter Detector Plant Garden USOpens in a new window or tabBrand New$7.98Save up to 10% when you buy moreluckmegaparts (18,600) 99.2%Free shipping1,411 sold
- 5 In 1 Digital PH/TDS/EC/Salinity/Temperature Water Quality Meter Tester Tool USOpens in a new window or tabBrand New$19.98Save up to 10% when you buy moreList price: $34.48 42% offTop Rated Plusredtagtown (360,548) 99.4%Free shippingFree returns209 sold
- 160x pH Indicator Test Strips 1-14 Laboratory Paper Litmus Tester Urine SalivaOpens in a new window or tabBrand New$3.99Save up to 7% when you buy morehappyelectro (38,007) 96.3%Free shipping2,243 sold
- Apera Instruments AI209 PH20 Value Pocket pH Tester KitOpens in a new window or tabBrand New$19.50Save up to 20% when you buy morejillhome16 (885) 98.6%+$8.99 shipping
- RAPITEST 4-1 DIGITAL pH FERTILITY THERMOMETER LIGHT SOIL PLANT TEST TESTER 1885Opens in a new window or tabBrand New$28.99Top Rated Plusrivercountry101 (53,633) 99.7%Free shippingFree returnsLast one34 sold
- PH HORN LH224.2608.03 Insert Holder NEWOpens in a new window or tabNew – Open box$49.95indexablecarbide (9,224) 99.9%+$7.50 shipping
- Baldor 35Q22-1272G1 Motor 1 HP 1140 RPM 3PH 145TZOpens in a new window or tabPre-Owned$108.00metallogics (8,316) 99.6%Was: $180.00 40% offFree shipping
- 4 in 1 PH Tester Soil Water Moisture Light Test Meter for Garden Plant SeedingOpens in a new window or tabBrand New$8.39Save up to 15% when you buy moreeshippers (224,728) 97.8%Free shipping824 sold
- PH Meter Digital PH Tester Pen 0.01 High Accuracy Water Quality TesterOpens in a new window or tabBrand New$13.59vivosun-sgs (4,410) 98.9%Was: $16.99 20% offFree shippingFree returns199 sold
- PH Meter for Water Hydroponics Digital PH Tester Pen 0.01Hi-Accuracy Pocket SizeOpens in a new window or tabBrand New$8.99Top Rated PlusWas: $11.99 25% offdomesticwaterfilterexpert (27,953) 99.6%Free shippingFree returns140 sold
- Bluelab pH Pen Blue Lab Hydroponic Aquarium Tester Calibration Meter PH MeasureOpens in a new window or tabOpen Box$59.99Top Rated Pluswildwillysonlinestore (732) 99.5%Free shippingFree returns
- 5 in 1 Digital LCD PH/TDS/EC/Salinity/Temperature Water Quality Meter Tester PenOpens in a new window or tabBrand New$16.99antswms (43) 97.8%Free shipping
- LCD PH Meter Tester Digital Electric Water Test Pen Pocket Hydroponics AquariumOpens in a new window or tab⭐️⭐️⭐️⭐️⭐️ ✅ US Seller ✅High Quality ✅ Fast ShippingBrand New$9.65topfuture2018 (15,740) 99.4%Free shippingFree returns651 sold
- 4 In 1 LCD Digital Soil Tester PH Water Moisture Temperature Sunlight Plant TestOpens in a new window or tabBrand New$9.89Save up to 7% when you buy moretheperfectpart (871,219) 99.9%Free shippingFree returns190 sold
- 5 in 1 LCD Digital Soil PH Meter Tester Moisture Humidity LED Light Garden PlantOpens in a new window or tabBrand New$17.48Save up to 10% when you buy moreList price: $31.98 45% offTop Rated Plusredtagtown (360,548) 99.4%+$0.99 shippingFree returns357 sold
- Bluelab Soil pH Tester PenOpens in a new window or tabOpen Box$20.80curtiphillip4 (532) 100%0 bids · Time left5d 8h left (Wed, 01:29 PM)+$6.15 shipping
- Digital PH Meter Tester Portable Pocket Water Pool Aquarium Wine HydroponicOpens in a new window or tabBrand New$8.98Save up to 10% when you buy moreTop Rated PlusFree shippinghanksminerals (99,155) 98%Free returns521 sold
- WaterGuru Sense Smart Pool Monitoring System | Chlorine & pH Pool Water Testi...Opens in a new window or tabBrand New$36.23uk-885 (73) 94.4%Free shipping
- 3 in 1 Digital PH Tester Sunlight Soil Moisture Meter Detector Plant Garden USOpens in a new window or tabBrand New$7.79dentrading8 (21,960) 98.3%Was: $9.74 20% offFree shippingFree returns22 sold
- PH Meter TDS EC LCD Water Purity PPM|pH Test Strips|Hydroponic Pool Tester ToolOpens in a new window or tabBrand New$9.99 to $99.99Top Rated Pluswater-all-pure (12,432) 99.7%Free shippingFree returns
- pH Meter, Digital 4 in 1 PH EC TDS Temp Meter for Water Hydroponics, WaterproofOpens in a new window or tabBrand New$11.99Save up to 20% when you buy moreyedael (12,253) 99.1%Free shippingFree returns
- 10 in 1 Digital Backlight PH/TDS/EC/ORP/TEMP/SG/Salt Water Quality Tester MeterOpens in a new window or tabBrand New$28.98Save up to 10% when you buy moreList price: $42.98 33% offTop Rated Plusthesiliconvalley (460,336) 99.5%Free shippingFree returns232 sold
- Apera Instruments Value Series Ph20 Waterproof Ph Tester Kit Auto CalibrationOpens in a new window or tabBrand New$19.96Top Rated Plusnoa.barcl (4,142) 99.9%+$9.95 shippingFree returns
- 4 in 1 PH Tester Soil Water Moisture Light Test Meter for Garden Plant SeedingOpens in a new window or tabBrand New$8.39miniduino (301,779) 98.2%Free shipping713 sold
- 10 in1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter PenOpens in a new window or tabBrand New$28.98Save up to 10% when you buy moreList price: $42.98 33% offTop Rated Plusredtagtown (360,548) 99.4%Free shippingFree returns98 sold
- 5 in 1 PH Tester Soil Water Moisture Light Test Meter for Garden Plant GrowthOpens in a new window or tabBrand New$18.48Save up to 15% when you buy moreList price: $31.48 41% offTop Rated Plusthesiliconvalley (460,336) 99.5%Free shippingFree returns151 sold
- General Hydroponics pH Down Liquid, 1-GallonOpens in a new window or tabBrand New$29.24hydro_store (4,427) 98.8%Free shipping974 sold
- General Hydroponics pH Down Liquid, 1-QuartOpens in a new window or tabBrand New$16.40hydro_store (4,427) 98.8%Free shipping953 sold
- 4 in 1 PH Tester Soil Water Moisture Light Test Meter for Garden Plant SeedingOpens in a new window or tabBrand New$8.19congrat-a (238) 97.6%Free shipping
- New ListingSoil Ph Meter, MS02 3-In-1 Soil Moisture/Light/Ph Tester Gardening Tool Kits forOpens in a new window or tabBrand New$13.26bullion_71 (15) 90.9%Free shippingFree returns
- 160x pH Indicator Test Strips 1-14 Laboratory Paper Litmus Tester Urine SalivaOpens in a new window or tabBrand New$6.98Top Rated Plushanksminerals (99,155) 98%Free shippingFree returns7,048 sold
- 80x pH Indicator Test Strips 1-14 Laboratory Paper Litmus Tester Urine SalivaOpens in a new window or tabBrand New$3.25sel77777a (8,742) 100%Free shipping916 sold
- pH Meter Kit, High Precision Digital pH Pen with ±0.1 pH Accuracy for WaterOpens in a new window or tabBrand New$49.99ac_infinity (25,683) 99.3%Free shippingFree returns67 sold
- Pool Salt Tester & pH Meter, Braxlee Digital MeterOpens in a new window or tabBrand New$31.99braxlee2022 (13) 100%Free shipping
- 5 in1 LCD Digital PH/TDS/EC/Salinity/Temperature Water Quality Meter Tester PenOpens in a new window or tabBrand New$16.98Save up to 8% when you buy moreWas: $21.23 20% offszyax-24 (148) 98.1%Free shippingAlmost gone18 sold
- RAPITEST 1601 SOIL TEST KIT LAWN FLOWER PLANT TEST GARDEN TESTER pH NPKOpens in a new window or tabBrand New$16.59Top Rated Plusrivercountry101 (53,633) 99.7%Free shippingFree returns
- 15 PACK PH BUFFER SOLUTION POWDER PRECISE CALIBRATION - pH 4.01 / 6.86 / 9.18Opens in a new window or tabBrand New$8.84Save up to 5% when you buy moreWas: $9.31 5% offdiscountj (740) 98.4%Free shipping115 sold
- 15Pcs PH Meter Buffer Solution Powder for Precise Calibration Easy US SuppliesOpens in a new window or tabBrand New$2.86hiraesipu (10,878) 97.5%Free shippingfrom China65 sold
- PH Meter Digital PH Tester Pen 0.01 High Accuracy Water Quality TesterOpens in a new window or tabBrand New$6.03Save up to 15% when you buy moreWas: $6.70 10% offyallp_47 (3,842) 98%Free shipping50 sold
- VIVOSUN PH Meter Digital PH Tester Pen 0.01 High Accuracy Water Quality TesterOpens in a new window or tabBrand New$13.59vivosun-sgs (4,410) 98.9%Was: $16.99 20% offFree shippingFree returns57 sold
- pH Buffer Calibration Solutions: pH 4.01, pH 7.01, pH 10.01 PREPARED 250/500 mLOpens in a new window or tabBrand New$12.90 to $29.90Save up to 20% when you buy morechemixsol (45) 100%Free shipping
- 8 in 1 Digital PH EC Meter LCD Tester Pocket Hydroponics Aquarium Water Test PenOpens in a new window or tabBrand New$22.89ark_auto_parts (1,816) 99.3%Free shippingFree returns
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