INTERNATIONAL:
Australia
Canada
United Kingdom
Singapore
All Countries
HOME
CATEGORY
SEARCH ITEMS
Search all categories
AFFILIATE DISCLOSURE
When you click on links to merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
CATEGORIES
-
Water Tests & Treatment
-
CO2 Equipment
-
Meters & Controllers
-
Other Fish & Aquarium Supplies
-
Cleaning & Maintenance
-
Aquariums & Tanks
-
Filters
-
Pumps (Air)
-
Decorations
-
Heaters & Chillers
-
Lighting & Bulbs
-
Pumps (Water)
-
Health Care
-
Air Stones
-
Food
-
Filter Media & Accessories
-
Fish Pond Supplies
-
Feeders
-
Algae Repellent
-
Tubing & Valves
-
Coral & Live Rock
-
Live Fish
-
UV Sterilizers
-
Reverse Osmosis & Deionization
-
Live Plants
-
Live Invertebrates
Sign Up for eBay Right Now for FREE
TEST within the FISH & AQUARIUMS category search found 4,385 items
Picture
Description
Price
Time Left
eBay:
API Nitrate Test Kit (Freshwater & Saltwater) 90 Tests EXP 04 2028
12.00 USD
27d 12h
eBay:
API Freshwater Master Test Kit ex 01 2027
28.00 USD
26d 22h
eBay:
API Freshwater Master Test Kit
15.00 USD
28d 17h
eBay:
100 50 Aquarium Test Strips Fish Tank 7IN1 PH Water Test Strips Kit Freshwater.
9.86 USD
22d 3h
eBay:
API Freshwater Master Test Kit
32.99 USD
8d 20h
eBay:
API FRESHWATER MASTER TEST KIT 800 Freshwater Aquarium Water Master Test Kit
32.99 USD
26d 22h
eBay:
API Phosphate Test Kit
14.99 USD
18d 20h
eBay:
Tetra EasyStrips 6 In 1 aquarium Test Strips Water Testing (19542)
10.59 USD
26d 23h
eBay:
6 in 1 Aquarium Test Kit 100Pcs Test Strips Freshwater Saltwater Fish Tank
7.50 USD
10d 11h
eBay:
API Ammonia Test Strips Saltwater & Freshwater Aquariums 25 Tests Exp 11 2025
12.00 USD
7d 12h
eBay:
API GH & KH Test Kit
12.49 USD
18d 9h
eBay:
API FRESH WATER MASTER TEST KIT OVER 800 TESTS SEALED NEW! Exp 12 2026 & UP!
34.90 USD
17d 8h
eBay:
API Freshwater Master Test Kit Expires 01 2026 UPC: 317163010341
10.50 USD
3d 6h
eBay:
API Copper Test Kit
12.50 USD
18d 9h
eBay:
7 in 1 Aquarium Test Kit 100Pcs Pond Test Strips Freshwater Saltwater Fish Tank
10.89 USD
18d 22h
eBay:
Fresh Salt Carbonate Test Kit
13.98 USD
21d 19h
eBay:
Phosphate Test Kit (150 Tests) API
14.98 USD
17d 22h
eBay:
API pH Test Kit for Freshwater Aquariums Contains 250 Fast and Easy Tests
10.99 USD
4d 20h
eBay:
100 50x Aquarium Test Strips Fish Tank 7IN1 PH Water Test Strips Kit Freshwater
9.79 USD
6d 12h
eBay:
API MARINE REEF MASTER TEST KIT EXP 03 2025
28.00 USD
6d 12h
eBay:
100 Aquarium Test Strips Fish Tank 7IN1 PH Water Test Strips Kit Freshwate⚥
10.69 USD
21d 21h
eBay:
Future Care 7 In 1 Aquarium Test Strips 150 Strips New #2300
4.75 USD
21d 21h
eBay:
Hanna HI 98319 Marine Waterproof Salinity Test Kit Excellent Condition
50.00 USD
4d 17h
eBay:
API MARINE SALTWARER MASTER TEST KIT EXP 11 2026
33.00 USD
6d 12h
eBay:
AMMONIA 130 Test Freshwater and Saltwater Aquarium Water Test Kit
15.96 USD
28d 17h
eBay:
PULACO Aquarium Fish Tank Test Strips (6 in 1)100 Count for Fresh Water and Salt
14.99 USD
29d 4h
eBay:
API 5 in 1 Aquarium Test Strips for Freshwater and Saltwater Aquariums 25 Tests
12.00 USD
22d 18h
eBay:
API FRESHWATER MASTER TEST KIT Over 800 tests: 🔥 Free U.S Ship🔥
30.00 USD
6d 23h
eBay:
Ammonia Test Strips
17.99 USD
27d 16h
eBay:
API Pond Master Test Kit 500 Test Exp) 2026
30.99 USD
13d 22h
Previous Page [ 1 of 147 ]
Next Page