Shop Digital Test Kit for Aquariums

Sponsored
About our ads
$189.99
Kactoily Smart Aquarium Water Monitor, Salinity Ph ORP TDS EC Temp Multi-Parameter Tester For Freshwater Saltwater Fish Tanks Real-Time Alerts
Amazon.com
23
Free shipping
$189.99
Kactoily Smart Aquarium Water Monitor, Salinity Ph ORP TDS EC Temp Multi-Parameter Tester For Freshwater Saltwater Fish Tanks Real-Time Alerts
Amazon.com
23
$193.64
Hach Pocket Pro Ph Tester, Ph Meter For Water Analysis Ph & Temp Testing, 9531000
Amazon.com
Free shipping
$193.64
Hach Pocket Pro Ph Tester, Ph Meter For Water Analysis Ph & Temp Testing, 9531000
Amazon.com
Free shipping
$3.98
4 in 1 Digital Water Quality Tester - TDS/EC/Temperature(°C/°F)TDS Meter | 0-9999 Ppm | Accurate And Professional For Drinking Water, Hydroponics,
Amazon.com
31
$3.98
4 in 1 Digital Water Quality Tester - TDS/EC/Temperature(°C/°F)TDS Meter | 0-9999 Ppm | Accurate And Professional For Drinking Water, Hydroponics,
Amazon.com
31
$549.84
Digital Tank Test Kit
Certified MTP
$549.84
Digital Tank Test Kit
Certified MTP
$220.08
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph +/-1 Digit, 0.01 Ph Ph Resolution, Ph, +/-1.8F Model: PH90
Grainger
31
$220.08
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph +/-1 Digit, 0.01 Ph Ph Resolution, Ph, +/-1.8F Model: PH90
Grainger
31
$244.67
Extech Ph Meter: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points, Mv/Ph/Temp Model: PH220-C
Grainger
75
$244.67
Extech Ph Meter: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points, Mv/Ph/Temp Model: PH220-C
Grainger
75
$27.27
Aquachek Salt System 5 Way Test Kit 542228
Pool Supply Unlimited
387
$27.27
Aquachek Salt System 5 Way Test Kit 542228
Pool Supply Unlimited
387
$162.00
Elite Ph Pocket Tester, Thermo Orion - ELITEPH
The Lab Depot
$162.00
Elite Ph Pocket Tester, Thermo Orion - ELITEPH
The Lab Depot
$22.90
Yieryi New TDS PH Meter PH/TDS/EC/Temperature Meter Digital Water Quality Monitor Tester For Pools, Drinking Water, Aquariums
AliExpress
1
$22.90
Yieryi New TDS PH Meter PH/TDS/EC/Temperature Meter Digital Water Quality Monitor Tester For Pools, Drinking Water, Aquariums
AliExpress
1
$45.97
$91.94
5 in 1 Digital Water Quality Tester For Aquarium And Drinking Water - With Backlight | Uplift Essentials
Inspire Uplift
Free shipping
50% off
$45.97
$91.94
5 in 1 Digital Water Quality Tester For Aquarium And Drinking Water - With Backlight | Uplift Essentials
Inspire Uplift
Free shipping
$243.21
Extech Ph/Mv/Temperature Meter: 0 Ph To 14 Ph, +/-0.02 Ph, 0.01 Ph Ph Resolution, Mv/Ph/Temp Model: OYSTER-10
Grainger
$243.21
Extech Ph/Mv/Temperature Meter: 0 Ph To 14 Ph, +/-0.02 Ph, 0.01 Ph Ph Resolution, Mv/Ph/Temp Model: OYSTER-10
Grainger
$33.58
$50.48
API Freshwater Aquarium Master Test Kit, 800 Count
Chewy.com
290
33% off
$33.58
$50.48
API Freshwater Aquarium Master Test Kit, 800 Count
Chewy.com
290
$28.18
$29.66
7 in 1 Digital Lcd Ph/Tds/Ec/Orp/Temp/Sg/Salinity Water Quality Tester
eBay
Free shipping
$28.18
$29.66
7 in 1 Digital Lcd Ph/Tds/Ec/Orp/Temp/Sg/Salinity Water Quality Tester
eBay
Free shipping
$223.99
Digital Aquarium Ph/Orp Controller Ph Tester Orp Redox Meter Output
eBay
Free shipping
$223.99
Digital Aquarium Ph/Orp Controller Ph Tester Orp Redox Meter Output
eBay
Free shipping
$9.56
$16.50
2Pcs Digital Water Tester & PH Meter, 0.0-14.0 PH Range & 0-9990 Ppm TDS Measurement For Aquarium Filter Water Quality, Yellow & Blue With LCD
Temu US
25
42% off
$9.56
$16.50
2Pcs Digital Water Tester & PH Meter, 0.0-14.0 PH Range & 0-9990 Ppm TDS Measurement For Aquarium Filter Water Quality, Yellow & Blue With LCD
Temu US
25
$17.04
Aquachek One Minute Phosphate Test Kit
Pool Supply Unlimited
1K+
$17.04
Aquachek One Minute Phosphate Test Kit
Pool Supply Unlimited
1K+
$12.37
$14.95
Water Test Pen | Waterpoof | Summer Essentials, Aquarium | Digital Water, Tds Digital Water Quality Testing Pens,Aquarium Thermometers Digital
Temu US
17% off
$12.37
$14.95
Water Test Pen | Waterpoof | Summer Essentials, Aquarium | Digital Water, Tds Digital Water Quality Testing Pens,Aquarium Thermometers Digital
Temu US
$11.24
$21.67
Water Quality Tester, Ph Tester Digital, Digital Meter And PH Tester For Aquarium And Pool Saltwater Water, 5 in 1 PH Temp EC And Aquarium Swimming
Temu US
4
48% off
$11.24
$21.67
Water Quality Tester, Ph Tester Digital, Digital Meter And PH Tester For Aquarium And Pool Saltwater Water, 5 in 1 PH Temp EC And Aquarium Swimming
Temu US
4
$1,199.00
Lamotte Mobile Waterlink Spin Touch Lab 3581
PoolZoom.com
1
$1,199.00
Lamotte Mobile Waterlink Spin Touch Lab 3581
PoolZoom.com
1
$7.57
$11.38
Tds Meter, Electronic Water Tester With 0-9990 PPM Measurement Range,Digital Water Test Pen For Farming, Aquariums,Pools
Walmart
20
Free shipping
33% off
$7.57
$11.38
Tds Meter, Electronic Water Tester With 0-9990 PPM Measurement Range,Digital Water Test Pen For Farming, Aquariums,Pools
Walmart
20
$45.97
$91.94
5 in 1 Digital Water Quality Tester For Aquarium And Drinking Water - No Backlight | Uplift Essentials
Inspire Uplift
Free shipping
50% off
$45.97
$91.94
5 in 1 Digital Water Quality Tester For Aquarium And Drinking Water - No Backlight | Uplift Essentials
Inspire Uplift
Free shipping
$67.99
Agtec Salinity Refractometer, Aquarium & Seawater Dual Scale (1,0 To 1,070 SG)
AgTec
$67.99
Agtec Salinity Refractometer, Aquarium & Seawater Dual Scale (1,0 To 1,070 SG)
AgTec
$64.56
Digital Water Quality Tester For Fish Tank Aquariums 24Hrs Online App
eBay.com
Free shipping
$64.56
Digital Water Quality Tester For Fish Tank Aquariums 24Hrs Online App
eBay.com
Free shipping
$34.97
$69.94
Aquarium And Pool Water PH Test Strips Kit For Freshwater And Fish Tanks - Aquarium 50Pcs 7In1 | Uplift Essentials
Inspire Uplift
Free shipping
50% off
$34.97
$69.94
Aquarium And Pool Water PH Test Strips Kit For Freshwater And Fish Tanks - Aquarium 50Pcs 7In1 | Uplift Essentials
Inspire Uplift
Free shipping
$13.49
$17.99
Fritz Aquarium Water Nitrate Test Kit
Chewy.com
25% off
$13.49
$17.99
Fritz Aquarium Water Nitrate Test Kit
Chewy.com
$18.40
HM Digital TDS-4TM, Aquarium TDS Meter With Digital Thermometer
Selectum
11
$18.40
HM Digital TDS-4TM, Aquarium TDS Meter With Digital Thermometer
Selectum
11
$59.88
$82.04
Seneye Home Aquarium Monitor
Megeancom
Free shipping
27% off
$59.88
$82.04
Seneye Home Aquarium Monitor
Megeancom
Free shipping
$11.99
$13.69
Instant Ocean Testing Hydrometer For Aquariums, 1 Count
Chewy.com
12% off
$11.99
$13.69
Instant Ocean Testing Hydrometer For Aquariums, 1 Count
Chewy.com
$72.99
$99.99
8 in 1 Tuya Wifi Smart PH Meter Data Logger Temp TDS Salinity S.G. EC ORP Water Tester Monitor Analyzer For Aquariums Pool Hydroponics
Banggood
Free shipping
27% off
$72.99
$99.99
8 in 1 Tuya Wifi Smart PH Meter Data Logger Temp TDS Salinity S.G. EC ORP Water Tester Monitor Analyzer For Aquariums Pool Hydroponics
Banggood
Free shipping
$42.95
Skorter | Digital LCD Ph Meter Accuracy 0.01 Aquariums Pool Ph Tester For Water Wine Urine Auto Calibration
Skorter
$42.95
Skorter | Digital LCD Ph Meter Accuracy 0.01 Aquariums Pool Ph Tester For Water Wine Urine Auto Calibration
Skorter
$11.13
TDS EC And Temperature Pen Aquarium Water Quality Tester
Etsy
1K+
$11.13
TDS EC And Temperature Pen Aquarium Water Quality Tester
Etsy
1K+
$322.12
Aquachek Pocket Pro+ Multi 2 Tester For Ph-Cond-TDS-Sal 9532800E
Pool Supply Unlimited
$322.12
Aquachek Pocket Pro+ Multi 2 Tester For Ph-Cond-TDS-Sal 9532800E
Pool Supply Unlimited
$282.00
Solaxx Safedip 6 in 1 Digital Chemistry Reader, MET20A By EZ Pool & Spa Supply
EZ Pool & Spa Supply
$282.00
Solaxx Safedip 6 in 1 Digital Chemistry Reader, MET20A By EZ Pool & Spa Supply
EZ Pool & Spa Supply
$24.99
API-Compatible Aquarium Test Kit (GH & KH Included!)
Etsy
1
$24.99
API-Compatible Aquarium Test Kit (GH & KH Included!)
Etsy
1
$8.98
Pondcare Test Kits AQP59- KH Test Kit By API Pond
ThePondOutlet
47
$8.98
Pondcare Test Kits AQP59- KH Test Kit By API Pond
ThePondOutlet
47
$34.11
$46.72
API Freshwater Master Test Kit
Megeancom
Free shipping
26% off
$34.11
$46.72
API Freshwater Master Test Kit
Megeancom
Free shipping
The 9 Best Aquarium Test Kits For 2024 - Reviewed
The 9 Best Aquarium Test Kits For 2024 - Reviewed
2K viewsJul 14, 2019
aquariumstoredepot.com
The Best Nitrate Test Kits for 2022 - Aquatic Eden
The Best Nitrate Test Kits for 2022 - Aquatic Eden
1 viewsOct 1, 2022
aquatic-eden.com
Amazon.com: 9 in 1 Aquarium Test Strips - 100 Strips Aquarium Water Test Kits for Freshwater Saltwater - Testing for Iron, Copper, Nitrite, Nitrate, pH, GH & KH, Chlorine, Total Alkalinity : Pet Supplies
0:24
Amazon.com: 9 in 1 Aquarium Test Strips - 100 Strips Aquarium Wate…
4 viewsOct 1, 2022
amazon
DO YOU REALLY NEED A WATER TEST KIT?
20:24
DO YOU REALLY NEED A WATER TEST KIT?
316 views2 weeks ago
YouTubeAquaDream
Are Hanna Checkers for Your Reef Tank Worth It?
4:35
Are Hanna Checkers for Your Reef Tank Worth It?
18.1K viewsMay 18, 2022
YouTubeBRStv - Saltwater Aquariums & Reef Tanks
Best Aquarium Test Kit in 2023 | Top 6 Aquarium Water Test Kit Reviews
Best Aquarium Test Kit in 2023 | Top 6 Aquarium Water Test Kit Reviews
3.3K viewsMar 11, 2021
YouTubeBest Guider
Which Device is Best? - Testing Aquarium Temp w Inkbird, Infrared, Floating and Digital Thermometers
14:53
Which Device is Best? - Testing Aquarium Temp w Inkbird, Infrare…
18.8K viewsJul 20, 2022
YouTubeBlake's Aquatics
8:11
EVERYTHING YOU NEED TO KNOW TO SETUP A CO2 SYSTEM FOR Y…
66.3K viewsNov 18, 2020
YouTubeMJ Aquascaping
1:55
What Type Of Aquarium Water Testing Kit Should You Use? Strip…
66.2K viewsJan 31, 2016
YouTubeJules Askalotl
10:15
Top 10 Best Aquarium Water Test Kit On Amazon
3.4K viewsMay 28, 2022
YouTubeFish Finder
3:10
Aquarium Safe Rocks? QUICK + EASY TEST
145.3K viewsOct 15, 2020
YouTubeKrish's Aquariums
6:56
What Are the Best Saltwater Aquarium Test Kits?
23.5K viewsMay 22, 2023
YouTubeBRStv - Saltwater Aquariums & Reef Tanks
8:19
DOES IT WORK? Fluval UVC In-Line Aquarium Clarifier | GREEN WATE…
81.8K viewsJun 5, 2021
YouTubeEveryday Aquarist
How to Test for Alkalinity (dKH or ppm) in Your Aquarium
Dec 16, 2017
hannainst.com
6:06
Best Water Test Kit for Aquarium 2025 🔶 Top 5 Aquarium Water Test …
2.7K viewsMar 20, 2022
YouTubeBest Purchase Guide
16:01
What's the Best Test Kit? Testing Ammonia in Your Aquarium
20.1K viewsOct 2, 2020
YouTubeBulk Reef Supply - Saltwater Aquariums
11:02
How To Use An API Freshwater Master Test Kit And Why You NEE…
150.8K viewsNov 19, 2018
YouTubeTrek On The Air
14:30
NTLabs Aquarium Water Mini Test Kit Review | How to test your Aqu…
1.9K viewsFeb 11, 2021
YouTubeMr Brightfryed
2:00:01
Marine Aquarium Virtual Fishtank
3.2M viewsSep 13, 2012
YouTubeOV Photography & More!
8:54
Spin Touch Digital Water Tester
54K viewsMar 20, 2021
YouTubeParkers Reef
6:33
HOW TO: Aquarium safe rocks TUTORIAL
582.2K viewsMay 24, 2015
YouTubeThe king of DIY
1:04
How to Use the AquaChek TruTest
39.4K viewsFeb 25, 2020
YouTubeAquaChek
3:21
PetSolutions: API Saltwater Master Test Kit
23.5K viewsJun 20, 2013
YouTubePetSolutions.com
0:52
API 5-IN-1 TEST STRIPS | How to use aquarium test strips
27.1K viewsMar 8, 2018
YouTubeAPI Fishcare
12:03
How To Test Aquarium Water? (API Master Test Kit)
30.5K viewsJul 11, 2014
YouTubeExotic Aquatics
3:59
The QuickPass® In-Office Dental Water Test
42.9K viewsJul 29, 2019
YouTubeProEdge Dental Water Labs
1:01
Tetra GloFish® 20-Gallon Aquarium Kit Setup
74K viewsAug 10, 2017
YouTubeDrs. Foster and Smith Pet Supplies
15:22
An Aquarium Filter Guide For Planted Tanks
832.7K viewsMar 21, 2019
YouTubeGreen Aqua
1:00
How to Use The API Freshwater pH Test Kit | Big Al's
24.8K viewsOct 6, 2014
YouTubeBig Al's
8:14
How To Test Your Aquarium Water - Test Strips
21.2K viewsFeb 13, 2020
YouTubeAquarium Plant Lab
See more videos
Static thumbnail place holder

Shop Digital Test Kit for Aquariums

Sponsored
About our ads
$189.99
Kactoily Smart Aquarium Water Monitor, Salinity Ph ORP TDS EC Temp Multi-Parameter Tester For Freshwater Saltwater Fish Tanks Real-Time Alerts
Amazon.com
23
Free shipping
$189.99
Kactoily Smart Aquarium Water Monitor, Salinity Ph ORP TDS EC Temp Multi-Parameter Tester For Freshwater Saltwater Fish Tanks Real-Time Alerts
Amazon.com
23
$193.64
Hach Pocket Pro Ph Tester, Ph Meter For Water Analysis Ph & Temp Testing, 9531000
Amazon.com
Free shipping
$193.64
Hach Pocket Pro Ph Tester, Ph Meter For Water Analysis Ph & Temp Testing, 9531000
Amazon.com
Free shipping
$3.98
4 in 1 Digital Water Quality Tester - TDS/EC/Temperature(°C/°F)TDS Meter | 0-9999 Ppm | Accurate And Professional For Drinking Water, Hydroponics,
Amazon.com
31
$3.98
4 in 1 Digital Water Quality Tester - TDS/EC/Temperature(°C/°F)TDS Meter | 0-9999 Ppm | Accurate And Professional For Drinking Water, Hydroponics,
Amazon.com
31
$549.84
Digital Tank Test Kit
Certified MTP
$549.84
Digital Tank Test Kit
Certified MTP
$220.08
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph +/-1 Digit, 0.01 Ph Ph Resolution, Ph, +/-1.8F Model: PH90
Grainger
31
$220.08
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph +/-1 Digit, 0.01 Ph Ph Resolution, Ph, +/-1.8F Model: PH90
Grainger
31
$244.67
Extech Ph Meter: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points, Mv/Ph/Temp Model: PH220-C
Grainger
75
$244.67
Extech Ph Meter: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points, Mv/Ph/Temp Model: PH220-C
Grainger
75
$27.27
Aquachek Salt System 5 Way Test Kit 542228
Pool Supply Unlimited
387
$27.27
Aquachek Salt System 5 Way Test Kit 542228
Pool Supply Unlimited
387
$162.00
Elite Ph Pocket Tester, Thermo Orion - ELITEPH
The Lab Depot
$162.00
Elite Ph Pocket Tester, Thermo Orion - ELITEPH
The Lab Depot
$22.90
Yieryi New TDS PH Meter PH/TDS/EC/Temperature Meter Digital Water Quality Monitor Tester For Pools, Drinking Water, Aquariums
AliExpress
1
$22.90
Yieryi New TDS PH Meter PH/TDS/EC/Temperature Meter Digital Water Quality Monitor Tester For Pools, Drinking Water, Aquariums
AliExpress
1
$45.97
$91.94
5 in 1 Digital Water Quality Tester For Aquarium And Drinking Water - With Backlight | Uplift Essentials
Inspire Uplift
Free shipping
50% off
$45.97
$91.94
5 in 1 Digital Water Quality Tester For Aquarium And Drinking Water - With Backlight | Uplift Essentials
Inspire Uplift
Free shipping
$243.21
Extech Ph/Mv/Temperature Meter: 0 Ph To 14 Ph, +/-0.02 Ph, 0.01 Ph Ph Resolution, Mv/Ph/Temp Model: OYSTER-10
Grainger
$243.21
Extech Ph/Mv/Temperature Meter: 0 Ph To 14 Ph, +/-0.02 Ph, 0.01 Ph Ph Resolution, Mv/Ph/Temp Model: OYSTER-10
Grainger
$33.58
$50.48
API Freshwater Aquarium Master Test Kit, 800 Count
Chewy.com
290
33% off
$33.58
$50.48
API Freshwater Aquarium Master Test Kit, 800 Count
Chewy.com
290
$28.18
$29.66
7 in 1 Digital Lcd Ph/Tds/Ec/Orp/Temp/Sg/Salinity Water Quality Tester
eBay
Free shipping
$28.18
$29.66
7 in 1 Digital Lcd Ph/Tds/Ec/Orp/Temp/Sg/Salinity Water Quality Tester
eBay
Free shipping
$223.99
Digital Aquarium Ph/Orp Controller Ph Tester Orp Redox Meter Output
eBay
Free shipping
$223.99
Digital Aquarium Ph/Orp Controller Ph Tester Orp Redox Meter Output
eBay
Free shipping
$9.56
$16.50
2Pcs Digital Water Tester & PH Meter, 0.0-14.0 PH Range & 0-9990 Ppm TDS Measurement For Aquarium Filter Water Quality, Yellow & Blue With LCD
Temu US
25
42% off
$9.56
$16.50
2Pcs Digital Water Tester & PH Meter, 0.0-14.0 PH Range & 0-9990 Ppm TDS Measurement For Aquarium Filter Water Quality, Yellow & Blue With LCD
Temu US
25
$17.04
Aquachek One Minute Phosphate Test Kit
Pool Supply Unlimited
1K+
$17.04
Aquachek One Minute Phosphate Test Kit
Pool Supply Unlimited
1K+
$12.37
$14.95
Water Test Pen | Waterpoof | Summer Essentials, Aquarium | Digital Water, Tds Digital Water Quality Testing Pens,Aquarium Thermometers Digital
Temu US
17% off
$12.37
$14.95
Water Test Pen | Waterpoof | Summer Essentials, Aquarium | Digital Water, Tds Digital Water Quality Testing Pens,Aquarium Thermometers Digital
Temu US
$11.24
$21.67
Water Quality Tester, Ph Tester Digital, Digital Meter And PH Tester For Aquarium And Pool Saltwater Water, 5 in 1 PH Temp EC And Aquarium Swimming
Temu US
4
48% off
$11.24
$21.67
Water Quality Tester, Ph Tester Digital, Digital Meter And PH Tester For Aquarium And Pool Saltwater Water, 5 in 1 PH Temp EC And Aquarium Swimming
Temu US
4