Best Aquarium Water Test Kits & Strips 2026: According to Reviews | Chewy

Best Aquarium Water Test Kit

How we created this aquarium water test kits & strip list

We leveraged input from our veterinarians and artificial intelligence to identify key considerations to help you find the best aquarium water test kits & strip.
We scanned thousands of customer reviews and ratings and scored each product based on its performance against each of the key considerations. We then considered how popular a product is with Chewy customers and combined that with its key consideration scores to create the list of the best aquarium water test kits & strips.

Key aquarium water test kits & strip considerations

Accuracy

Durability

Ease of Use

Range of Testing

Our Top Picks

1
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count

Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count

Rated 4.6 out of 5 stars
160
$32.97 Chewy Price
($0.33/ea)
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Accuracy

4.4/5
Great

Durability

4.5/5
Great

Ease of Use

4.6/5
Excellent

Range of Testing

4.2/5
Great

Is this aquarium water test kits & strip right for my pet?

Aquarium Type

Saltwater, Freshwater

Fish Type

Tropical Freshwater, Betta, Cichlid, Goldfish...
2
API 5 in 1 Freshwater & Saltwater Aquarium Test Strips, 100 count
API 5 in 1 Freshwater & Saltwater Aquarium Test Strips, 100 count
API 5 in 1 Freshwater & Saltwater Aquarium Test Strips, 100 count
API 5 in 1 Freshwater & Saltwater Aquarium Test Strips, 100 count
API 5 in 1 Freshwater & Saltwater Aquarium Test Strips, 100 count
API 5 in 1 Freshwater & Saltwater Aquarium Test Strips, 100 count
API 5 in 1 Freshwater & Saltwater Aquarium Test Strips, 100 count

API 5 in 1 Freshwater & Saltwater Aquarium Test Strips, 100 count

Rated 4.5 out of 5 stars
133
$24.98 Chewy Price
($0.25/ea)
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Accuracy

4.5/5
Great

Durability

4.6/5
Excellent

Ease of Use

4.6/5
Excellent

Range of Testing

4.6/5
Excellent

Is this aquarium water test kits & strip right for my pet?

Aquarium Type

Saltwater, Freshwater

Fish Type

Tropical Freshwater, Marine Fish, Betta, Goldfish...
3
Aqueon 7-in-1 Aquarium Test Strips, 50 count
Aqueon 7-in-1 Aquarium Test Strips, 50 count
Aqueon 7-in-1 Aquarium Test Strips, 50 count
Aqueon 7-in-1 Aquarium Test Strips, 50 count
Aqueon 7-in-1 Aquarium Test Strips, 50 count
Aqueon 7-in-1 Aquarium Test Strips, 50 count
Aqueon 7-in-1 Aquarium Test Strips, 50 count
Aqueon 7-in-1 Aquarium Test Strips, 50 count
Aqueon 7-in-1 Aquarium Test Strips, 50 count

Aqueon 7-in-1 Aquarium Test Strips, 50 count

Rated 4.4 out of 5 stars
67
$8.73 Chewy Price
($0.18/ea)
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Accuracy

4.1/5
Great

Durability

4.0/5
Great

Ease of Use

4.3/5
Great

Range of Testing

4.4/5
Great

Is this aquarium water test kits & strip right for my pet?

Aquarium Type

Saltwater, Freshwater

Fish Type

Tropical Freshwater, Marine Fish
4
API Nitrate NO3 Freshwater & Saltwater Aquarium Test Kit, 90 count
API Nitrate NO3 Freshwater & Saltwater Aquarium Test Kit, 90 count
API Nitrate NO3 Freshwater & Saltwater Aquarium Test Kit, 90 count
API Nitrate NO3 Freshwater & Saltwater Aquarium Test Kit, 90 count
API Nitrate NO3 Freshwater & Saltwater Aquarium Test Kit, 90 count
API Nitrate NO3 Freshwater & Saltwater Aquarium Test Kit, 90 count
API Nitrate NO3 Freshwater & Saltwater Aquarium Test Kit, 90 count
API Nitrate NO3 Freshwater & Saltwater Aquarium Test Kit, 90 count

API Nitrate NO3 Freshwater & Saltwater Aquarium Test Kit, 90 count

Rated 4.8 out of 5 stars
50
$11.00 Chewy Price
($0.13/ea)
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Accuracy

4.5/5
Great

Durability

4.8/5
Excellent

Ease of Use

4.7/5
Excellent

Range of Testing

4.5/5
Great

Is this aquarium water test kits & strip right for my pet?

Aquarium Type

Saltwater, Freshwater

Fish Type

Tropical Freshwater, Marine Fish, Betta, Goldfish...
5
API pH Freshwater Aquarium Test Kit, 250 count
API pH Freshwater Aquarium Test Kit, 250 count
API pH Freshwater Aquarium Test Kit, 250 count
API pH Freshwater Aquarium Test Kit, 250 count
API pH Freshwater Aquarium Test Kit, 250 count
API pH Freshwater Aquarium Test Kit, 250 count
API pH Freshwater Aquarium Test Kit, 250 count

API pH Freshwater Aquarium Test Kit, 250 count

Rated 4.7 out of 5 stars
81
$7.98 Chewy Price
($0.04/ea)
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Accuracy

4.7/5
Excellent

Durability

4.8/5
Excellent

Ease of Use

4.8/5
Excellent

Range of Testing

4.3/5
Great

Is this aquarium water test kits & strip right for my pet?

Aquarium Type

Freshwater

Fish Type

Tropical Freshwater, Betta, Cichlid, Goldfish...
6
Tetra EasyStrips Ammonia Freshwater & Saltwater Aquarium Test Strips, 100 count
Tetra EasyStrips Ammonia Freshwater & Saltwater Aquarium Test Strips, 100 count
Tetra EasyStrips Ammonia Freshwater & Saltwater Aquarium Test Strips, 100 count
Tetra EasyStrips Ammonia Freshwater & Saltwater Aquarium Test Strips, 100 count
Tetra EasyStrips Ammonia Freshwater & Saltwater Aquarium Test Strips, 100 count

Tetra EasyStrips Ammonia Freshwater & Saltwater Aquarium Test Strips, 100 count

Rated 4.8 out of 5 stars
33
$15.97 Chewy Price
($0.16/ea)
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Accuracy

4.6/5
Excellent

Durability

4.3/5
Great

Ease of Use

4.7/5
Excellent

Range of Testing

4.6/5
Excellent

Is this aquarium water test kits & strip right for my pet?

Aquarium Type

Saltwater, Freshwater

Fish Type

Tropical Freshwater, Marine Fish
7
Aqueon Ammonia Aquarium Test Strips, 50 count
Aqueon Ammonia Aquarium Test Strips, 50 count
Aqueon Ammonia Aquarium Test Strips, 50 count
Aqueon Ammonia Aquarium Test Strips, 50 count
Aqueon Ammonia Aquarium Test Strips, 50 count
Aqueon Ammonia Aquarium Test Strips, 50 count
Aqueon Ammonia Aquarium Test Strips, 50 count
Aqueon Ammonia Aquarium Test Strips, 50 count
Aqueon Ammonia Aquarium Test Strips, 50 count

Aqueon Ammonia Aquarium Test Strips, 50 count

Rated 4.5 out of 5 stars
11
$14.95 Chewy Price
($0.30/ea)
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Accuracy

4.8/5
Excellent

Durability

4.6/5
Excellent

Ease of Use

4.6/5
Excellent

Range of Testing

4.6/5
Excellent

Is this aquarium water test kits & strip right for my pet?

Aquarium Type

Saltwater, Freshwater

Fish Type

Tropical Freshwater, Marine Fish
8
API Ammonia Freshwater & Saltwater Aquarium Test Kit, 130 count
API Ammonia Freshwater & Saltwater Aquarium Test Kit, 130 count
API Ammonia Freshwater & Saltwater Aquarium Test Kit, 130 count
API Ammonia Freshwater & Saltwater Aquarium Test Kit, 130 count
API Ammonia Freshwater & Saltwater Aquarium Test Kit, 130 count
API Ammonia Freshwater & Saltwater Aquarium Test Kit, 130 count
API Ammonia Freshwater & Saltwater Aquarium Test Kit, 130 count
API Ammonia Freshwater & Saltwater Aquarium Test Kit, 130 count

API Ammonia Freshwater & Saltwater Aquarium Test Kit, 130 count

Rated 4.7 out of 5 stars
52
$15.48 Chewy Price
($0.12/ea)
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Accuracy

4.7/5
Excellent

Durability

4.5/5
Great

Ease of Use

4.7/5
Excellent

Range of Testing

4.4/5
Great

Is this aquarium water test kits & strip right for my pet?

Aquarium Type

Saltwater, Freshwater, Pond

Fish Type

Discus, Marine Invertebrate, Goldfish, Bottom Feeder
9
API pH Freshwater Aquarium Test & Adjuster Kit, 250 count
API pH Freshwater Aquarium Test & Adjuster Kit, 250 count
API pH Freshwater Aquarium Test & Adjuster Kit, 250 count
API pH Freshwater Aquarium Test & Adjuster Kit, 250 count
API pH Freshwater Aquarium Test & Adjuster Kit, 250 count
API pH Freshwater Aquarium Test & Adjuster Kit, 250 count
API pH Freshwater Aquarium Test & Adjuster Kit, 250 count
API pH Freshwater Aquarium Test & Adjuster Kit, 250 count
API pH Freshwater Aquarium Test & Adjuster Kit, 250 count

API pH Freshwater Aquarium Test & Adjuster Kit, 250 count

Rated 4.6 out of 5 stars
39
$8.98 Chewy Price
($0.04/ea)
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Accuracy

4.7/5
Excellent

Durability

4.2/5
Great

Ease of Use

4.5/5
Great

Range of Testing

4.6/5
Excellent

Is this aquarium water test kits & strip right for my pet?

Aquarium Type

Freshwater

Fish Type

Tropical Freshwater, Goldfish, Betta, Cichlid...
10
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit
API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit

API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit

Rated 4.8 out of 5 stars
15
$8.98 Chewy Price
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Accuracy

4.2/5
Great

Durability

4.3/5
Great

Ease of Use

4.2/5
Great

Range of Testing

4.3/5
Great

Is this aquarium water test kits & strip right for my pet?

Aquarium Type

Saltwater, Freshwater

Fish Type

Cichlid, Betta, Goldfish, Marine Fish...