New Pet EssentialsAll ChickensAll Farm AnimalsAll Fish Tanks and SuppliesAll Small PetsCat BedsCat Feeders, Fountains, and BowlsCat HousesChicken SuppliesChicken WaterersDog BedsDog Bowls and AccessoriesDog CarriersDog CratesDog EnrichmentDog Health and WellnessDog KennelsFish Aquarium CleanersPuppy SuppliesTetra
Sort by|
New Pet EssentialsAll ChickensAll Farm AnimalsAll Fish Tanks and SuppliesAll Small PetsCat BedsCat Feeders, Fountains, and BowlsCat HousesChicken SuppliesChicken WaterersDog BedsDog Bowls and AccessoriesDog CarriersDog CratesDog EnrichmentDog Health and WellnessDog KennelsFish Aquarium CleanersPuppy SuppliesTetra
Kh Test(8)
Uses item details. Price when purchased online
Red Sea KH/Alkalinity Pro Test Kit $44.99

$4499
current price $44.99Red Sea KH/Alkalinity Pro Test Kit
Salifert KH/Alkalinity Aquarium Test Kit $20.05

$2005
current price $20.05Salifert KH/Alkalinity Aquarium Test Kit
Clearance 6 In 1 Aquarium Water Test Strips 100 Count - Test For Gh, Kh, No₂, No₃, Co₂, Ph Levels - For Freshwater Saltwater Fish Tanks, Aquatic Pets, Home Aquariums From $7.99
From$799
6 In 1 Aquarium Water Test Strips 100 Count - Test For Gh, Kh, No₂, No₃, Co₂, Ph Levels - For Freshwater Saltwater Fish Tanks, Aquatic Pets, Home Aquariums
Red Sea KH/Alkalinity Pro 75 Test Refill FREE SHIPPING $27.99

$2799
current price $27.99Red Sea KH/Alkalinity Pro 75 Test Refill FREE SHIPPING
Clearance SharkTRUE 3 in 1 Aquarium Test Strips, Drinking Water Quality Test Strips,50 Strips Aquarium Water Test Kits for Freshwater Saltwater - Testing for Iron, Nitrate, , GH & KH, Chlorine,Total Alkalinity $4.49 Was $6.29

Now$449
current price Now $4.49, Was $6.29$6.29
SharkTRUE 3 in 1 Aquarium Test Strips, Drinking Water Quality Test Strips,50 Strips Aquarium Water Test Kits for Freshwater Saltwater - Testing for Iron, Nitrate, , GH & KH, Chlorine,Total Alkalinity
API KH Carbonate Hardness Test Kit for Fresh and Saltwater Aquariums [Aquarium Water Test Kits, Aquarium Supplies] 3 count $59.96
![API KH Carbonate Hardness Test Kit for Fresh and Saltwater Aquariums [Aquarium Water Test Kits, Aquarium Supplies] 3 count](https://i5.walmartimages.com/seo/API-KH-Carbonate-Hardness-Test-Kit-for-Fresh-and-Saltwater-Aquariums-Aquarium-Water-Test-Kits-Aquarium-Supplies-3-count_da1c939a-ad35-48d8-9e74-bb3cc65e8cbf.159368a6790064a65848d596526dc731.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$5996
current price $59.96API KH Carbonate Hardness Test Kit for Fresh and Saltwater Aquariums [Aquarium Water Test Kits, Aquarium Supplies] 3 count
API KH Carbonate Hardness Test Kit for Fresh and Saltwater Aquariums [Aquarium Water Test Kits, Aquarium Supplies] 1 count
![API KH Carbonate Hardness Test Kit for Fresh and Saltwater Aquariums [Aquarium Water Test Kits, Aquarium Supplies] 1 count](https://i5.walmartimages.com/seo/API-KH-Carbonate-Hardness-Test-Kit-for-Fresh-and-Saltwater-Aquariums-Aquarium-Water-Test-Kits-Aquarium-Supplies-1-count_da1c939a-ad35-48d8-9e74-bb3cc65e8cbf.159368a6790064a65848d596526dc731.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
API KH Carbonate Hardness Test Kit for Fresh and Saltwater Aquariums [Aquarium Water Test Kits, Aquarium Supplies] 1 count
API GH & KH TEST KIT Freshwater Aquarium Water Test Kit

API GH & KH TEST KIT Freshwater Aquarium Water Test Kit
Other options to consider(73)
Professional Aquarium Test Kit 7 Parameters In 1 Monitor Water For Fish Tank & Pond Test Ph Kh Gh No3 Bromine & More Was $14.65

Professional Aquarium Test Kit 7 Parameters In 1 Monitor Water For Fish Tank & Pond Test Ph Kh Gh No3 Bromine & More
SEAOURA 9-in-1 Aquarium Test Kit - 65 Strips for Fish Tanks & Ponds, Tests pH, Nitrate, Nitrite, Chlorine, Hardness, Alkalinity, Iron, Copper, Carbonate - Accurate & Fast Water Testing Strips From $9.89

2 options
Available in additional 2 optionsFrom$989
SEAOURA 9-in-1 Aquarium Test Kit - 65 Strips for Fish Tanks & Ponds, Tests pH, Nitrate, Nitrite, Chlorine, Hardness, Alkalinity, Iron, Copper, Carbonate - Accurate & Fast Water Testing Strips
14 out of 5 Stars. 1 reviews
Red Sea Reef Foundation High Accuracy TitrationHigh-accuracy titration multi-test kit Multi-Test Kit to Check Coral Foundation Elements $58.12 Was $87.92

Now$5812
current price Now $58.12, Was $87.92$87.92
Red Sea Reef Foundation High Accuracy TitrationHigh-accuracy titration multi-test kit Multi-Test Kit to Check Coral Foundation Elements
11 out of 5 Stars. 1 reviews
Save with
GENERAL/CARBONATE HARDNESS KIT $11.84

$1184
current price $11.84GENERAL/CARBONATE HARDNESS KIT
74.6 out of 5 Stars. 7 reviews
Save with
Red Sea Fish Marine Care Program pH/Alkalinity100 Test $29.99

$2999
current price $29.99Red Sea Fish Marine Care Program pH/Alkalinity100 Test
15 out of 5 Stars. 1 reviews
API Carbonate Hardness Test Kit, Aquarium Water Test Kit, 1-Count $9.00

$900
current price $9.00API Carbonate Hardness Test Kit, Aquarium Water Test Kit, 1-Count
Save with
Bolster Dog Cot, Cooling Indoor Outdoor Elevated Cot Hammock Dog Bed with Removable Washable Bolsters, Washable Mesh Cover, Raised Metal Frame - Medium 32 X 25in Charcoal

Bolster Dog Cot, Cooling Indoor Outdoor Elevated Cot Hammock Dog Bed with Removable Washable Bolsters, Washable Mesh Cover, Raised Metal Frame - Medium 32 X 25in Charcoal
SEAOURA 7-in-1 Aquarium Test Kit - 65 Strips for Fish Tanks & Ponds, Tests pH, Nitrate, Nitrite, Chlorine, Hardness, Alkalinity, Carbonate - Accurate & Fast Water Testing Strips From $8.99

2 options
Available in additional 2 optionsFrom$899
SEAOURA 7-in-1 Aquarium Test Kit - 65 Strips for Fish Tanks & Ponds, Tests pH, Nitrate, Nitrite, Chlorine, Hardness, Alkalinity, Carbonate - Accurate & Fast Water Testing Strips
13 out of 5 Stars. 1 reviews
100Pcs 7 In 1 Aquarium Fish Tank Water Tropical Test Strips Kit $13.51

$1351
current price $13.51100Pcs 7 In 1 Aquarium Fish Tank Water Tropical Test Strips Kit
BANIRO 6 in 1 Aquarium Test Strips Fast Accurate Water Quality Testing Strips for Freshwater Saltwater,Pond Fish Tank Test Strips for Ph,Carbonate,Hardness,Residual Chlorine,Nitrate,Nitrite 50Pcs $10.98

$1098
current price $10.98BANIRO 6 in 1 Aquarium Test Strips Fast Accurate Water Quality Testing Strips for Freshwater Saltwater,Pond Fish Tank Test Strips for Ph,Carbonate,Hardness,Residual Chlorine,Nitrate,Nitrite 50Pcs
Heated Bed Indoor, Thermo-Snuggle Cup Bomber Soft Heated Pet Bed for Large Indoor Cats and Small Dogs, Machine Washable, Waterproof Heated Pad, Safety Listed - 14x18in Gray $69.99

$6999
current price $69.99Heated Bed Indoor, Thermo-Snuggle Cup Bomber Soft Heated Pet Bed for Large Indoor Cats and Small Dogs, Machine Washable, Waterproof Heated Pad, Safety Listed - 14x18in Gray
API 5 in 1 Aquarium Test Strips for Freshwater and Saltwater Aquariums [Aquarium Water Test Kits, Aquarium Supplies] 75 count (3 x 25 ct) $78.88
![API 5 in 1 Aquarium Test Strips for Freshwater and Saltwater Aquariums [Aquarium Water Test Kits, Aquarium Supplies] 75 count (3 x 25 ct)](https://i5.walmartimages.com/seo/API-5-in-1-Aquarium-Test-Strips-for-Freshwater-and-Saltwater-Aquariums-Aquarium-Water-Test-Kits-Aquarium-Supplies-75-count-3-x-25-ct_e787d2df-d90b-430d-890e-e4b8a1acb0dd.3cb6212f77d0ddbb6f12ceb425ba2ee8.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$7888
current price $78.88API 5 in 1 Aquarium Test Strips for Freshwater and Saltwater Aquariums [Aquarium Water Test Kits, Aquarium Supplies] 75 count (3 x 25 ct)
K&H Pet Products All Weather Elevated Outdoor Pet Cot Gray Large 42 X 30 X 7 Inches From $32.13
From$3213
K&H Pet Products All Weather Elevated Outdoor Pet Cot Gray Large 42 X 30 X 7 Inches
524.8 out of 5 Stars. 52 reviews
Save with
100+ bought since yesterday Tetra Waterclarifier Aquarium Water Treatment, Clears Cloudy Aquarium Water, 3.38 oz. From $5.32

4 options
Available in additional 4 optionsFrom$532
Tetra Waterclarifier Aquarium Water Treatment, Clears Cloudy Aquarium Water, 3.38 oz.
5084.5 out of 5 Stars. 508 reviews
Save with
K&H Pet Products Thermo-Kitty Fashion Splash Mocha Small 18 Inches Round $34.09 Was $58.99

Now$3409
current price Now $34.09, Was $58.99$58.99
K&H Pet Products Thermo-Kitty Fashion Splash Mocha Small 18 Inches Round
214.9 out of 5 Stars. 21 reviews
Save with
K&H Pet Products Thermo-Snuggle Cup Bomber - Indoor Heated Cat Bed Gray 18 X 14 Inches From $38.99
From$3899
K&H Pet Products Thermo-Snuggle Cup Bomber - Indoor Heated Cat Bed Gray 18 X 14 Inches
854.6 out of 5 Stars. 85 reviews
Save with
K&H Pet Products Heated A-Frame Indoor/Outdoor Shelter Gray/Black 18 X 14 Inches 20 Watts $52.99

$5299
current price $52.99K&H Pet Products Heated A-Frame Indoor/Outdoor Shelter Gray/Black 18 X 14 Inches 20 Watts
524.6 out of 5 Stars. 52 reviews
Save with
API 5 in 1 Aquarium Test Strips for Freshwater and Saltwater Aquariums [Aquarium Water Test Kits, Aquarium Supplies] 12 count (3 x 4 ct) $48.64
![API 5 in 1 Aquarium Test Strips for Freshwater and Saltwater Aquariums [Aquarium Water Test Kits, Aquarium Supplies] 12 count (3 x 4 ct)](https://i5.walmartimages.com/seo/API-5-in-1-Aquarium-Test-Strips-for-Freshwater-and-Saltwater-Aquariums-Aquarium-Water-Test-Kits-Aquarium-Supplies-12-count-3-x-4-ct_08514963-8d96-4b99-879a-0f8a714ca21d.b230917436898dae5ce78cb25adbc834.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$4864
current price $48.64API 5 in 1 Aquarium Test Strips for Freshwater and Saltwater Aquariums [Aquarium Water Test Kits, Aquarium Supplies] 12 count (3 x 4 ct)
K&H Pet Products Thermo-Kitty Mat Heated Cat Bed Sage/Tan 12.5 X 25 Inches

K&H Pet Products Thermo-Kitty Mat Heated Cat Bed Sage/Tan 12.5 X 25 Inches
834.6 out of 5 Stars. 83 reviews
Save with
K&H Pet Products Extreme Weather Heated Kitty Pad for Outdoor Cats Black Small 18.5 X 12.5 Inches

K&H Pet Products Extreme Weather Heated Kitty Pad for Outdoor Cats Black Small 18.5 X 12.5 Inches
1064.6 out of 5 Stars. 106 reviews
Save with
K&H Pet Products Original Lectro-Kennel Outdoor Heated Dog Pad with Free Cover Black Medium 22.5 X 16.5 Inches $79.95

$7995
current price $79.95K&H Pet Products Original Lectro-Kennel Outdoor Heated Dog Pad with Free Cover Black Medium 22.5 X 16.5 Inches
634.5 out of 5 Stars. 63 reviews
K&H Pet Products Original Bolster Pet Cot Elevated Dog Bed Chocolate/Black Mesh Medium 32 X 25 X 7 Inches From $36.70
From$3670
K&H Pet Products Original Bolster Pet Cot Elevated Dog Bed Chocolate/Black Mesh Medium 32 X 25 X 7 Inches
1394.8 out of 5 Stars. 139 reviews
Save with
K&H Pet Products Original Pet Cot Replacement Cover (Cot Sold Separately) Gray/Black Mesh X-Large 50 X 32 Inches
K&H Pet Products Original Pet Cot Replacement Cover (Cot Sold Separately) Gray/Black Mesh X-Large 50 X 32 Inches
3594.7 out of 5 Stars. 359 reviews
Save with
K&H Pet Products Indoor Heated Thermo-Calming Pet Mat Sage 14 X 28 Inches

K&H Pet Products Indoor Heated Thermo-Calming Pet Mat Sage 14 X 28 Inches
284.4 out of 5 Stars. 28 reviews
Save with
K&H Pet Products Amazin’ Kitty Pad Heated Gray 15 X 20 Inches - 1 pack

K&H Pet Products Amazin’ Kitty Pad Heated Gray 15 X 20 Inches - 1 pack
424.1 out of 5 Stars. 42 reviews
Save with
K&H Pet Products Thermo-Pet Nest Heated Cat Bed Gray Small 18 X 15 Inches $52.99

$5299
current price $52.99K&H Pet Products Thermo-Pet Nest Heated Cat Bed Gray Small 18 X 15 Inches
244.6 out of 5 Stars. 24 reviews
Save with
K&H Pet Products Thermo Lookout Pod Heated Cat Bed Classy Gray 22 Inches
K&H Pet Products Thermo Lookout Pod Heated Cat Bed Classy Gray 22 Inches
114.5 out of 5 Stars. 11 reviews
Save with
K&H Pet Products Thermo-Poultry Brooder Gray/Orange Small 8 X 13.5 X 8 Inches $48.43

$4843
current price $48.43K&H Pet Products Thermo-Poultry Brooder Gray/Orange Small 8 X 13.5 X 8 Inches
534.2 out of 5 Stars. 53 reviews
Save with
K&H Pet Products Thermo Mod Heated Cat House for Outdoors Tan 21 X 14 X 13 Inches

K&H Pet Products Thermo Mod Heated Cat House for Outdoors Tan 21 X 14 X 13 Inches
604.2 out of 5 Stars. 60 reviews
Save with
K&H Pet Products Poultry Waterer Unheated Blue 2.5 Gallons From $59.95
From$5995
K&H Pet Products Poultry Waterer Unheated Blue 2.5 Gallons
564 out of 5 Stars. 56 reviews
K&H Pet Products Heated Cat House for Outdoors Extra Wide Unheated Olive/Black 26.5 X 21.5 X 15.5 Inches From $57.99
From$5799
K&H Pet Products Heated Cat House for Outdoors Extra Wide Unheated Olive/Black 26.5 X 21.5 X 15.5 Inches
1494.5 out of 5 Stars. 149 reviews
Save with
K&H Pet Products Thermo-Kitty Fashion Splash Blue Small 18 Inches Round From $35.49
From$3549
K&H Pet Products Thermo-Kitty Fashion Splash Blue Small 18 Inches Round
235 out of 5 Stars. 23 reviews
Save with
Popular in Kh Test
Related Products
Evjurcn Pack of 100 Aquarium Test Strips Freshwater and Saltwater Aquarium Test Strips Fish Tank Test Kit Testing pH Alkalinity Nitrite Nitrate Chlorine Carbonate Hardness
Evjurcn Pack of 100 Aquarium Test Strips Freshwater and Saltwater Aquarium Test Strips Fish Tank Test Kit Testing pH Alkalinity Nitrite Nitrate Chlorine Carbonate Hardness$9.00current price $9.00EASYTEST 6 in 1 Aquarium Test Strips for Freshwater and Saltwater,150 Water Testing Strips for Fish Tanks, Ponds & Saltwater Tanks | Quick pH, Nitrate, Nitrite, Chlorine, Carbonate, Hardness
EASYTEST 6 in 1 Aquarium Test Strips for Freshwater and Saltwater,150 Water Testing Strips for Fish Tanks, Ponds & Saltwater Tanks | Quick pH, Nitrate, Nitrite, Chlorine, Carbonate, Hardness$19.99current price $19.99Evjurcn 100Pcs Aquarium Test Strips 7 in 1 Fish Tank Test Kit with Test Tube Aquarium Water Testing Strips for Carbonate Root pH Hardness Total Chlorine Free Chlorine Nitrate Nitrite
Evjurcn 100Pcs Aquarium Test Strips 7 in 1 Fish Tank Test Kit with Test Tube Aquarium Water Testing Strips for Carbonate Root pH Hardness Total Chlorine Free Chlorine Nitrate Nitrite$9.12current price $9.12Baluue 8pcs Temperature Crystal Temperature Monitoring Aquarium Use
Baluue 8pcs Temperature Crystal Temperature Monitoring Aquarium Use$8.66current price $8.66API Nitrite NO2 Test Kit Helps Prevent Fish Loss in Freshwater and Saltwater Aquariums [Aquarium Water Test Kits, Aquarium Supplies] 1 count
API Nitrite NO2 Test Kit Helps Prevent Fish Loss in Freshwater and Saltwater Aquariums [Aquarium Water Test Kits, Aquarium Supplies] 1 count$22.51current price $22.51API Copper Cu+ Test Kit Monitor Copper when Medicating in Freshwater and Saltwater Aquariums [Aquarium Water Test Kits, Aquarium Supplies] 1 count
API Copper Cu+ Test Kit Monitor Copper when Medicating in Freshwater and Saltwater Aquariums [Aquarium Water Test Kits, Aquarium Supplies] 1 count$20.89current price $20.89WRITWAA Heavy Metal Test Water Quality Testing Tools Multi Paper 10pcs
WRITWAA Heavy Metal Test Water Quality Testing Tools Multi Paper 10pcs$8.50current price $8.50Hvxrjkn 100Pcs Aquarium Test Strips 9 in 1 Fish Tank Test Kit with Test Tube Fast Aquarium Water Testing Strips for Iron Copper Nitrate Nitrite Free Chlorine Hardness Carbonate pH
Hvxrjkn 100Pcs Aquarium Test Strips 9 in 1 Fish Tank Test Kit with Test Tube Fast Aquarium Water Testing Strips for Iron Copper Nitrate Nitrite Free Chlorine Hardness Carbonate pH$10.89current price $10.89Raindrops 16 .2x2.9cm Total Dissolved Solids Measurement Pool Test Strips Aquarium Kit Yellow
Raindrops 16 .2x2.9cm Total Dissolved Solids Measurement Pool Test Strips Aquarium Kit Yellow$9.47current price $9.47Seachem pH Alert for Freshwater [Aquarium, FW & SW Testing & Reagents] pH Test Kit (Lasts 3-6 Months)
Seachem pH Alert for Freshwater [Aquarium, FW & SW Testing & Reagents] pH Test Kit (Lasts 3-6 Months)$17.66current price $17.66Homoyoyo Digital Aquarium Thermometer Temperature Gauge for Fish Tank, Accurate and Easy to Read, 1 Set
Homoyoyo Digital Aquarium Thermometer Temperature Gauge for Fish Tank, Accurate and Easy to Read, 1 Set$8.71current price $8.71

































