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CATEGORIES
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Water Tests & Treatment
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Cleaning & Maintenance
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Health Care
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Other Fish & Aquarium Supplies
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Fish Pond Supplies
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Filter Media & Accessories
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Algae Repellent
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Aquariums & Tanks
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Tubing & Valves
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Live Plants
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Feeders
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Decorations
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Pumps (Air)
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Live Fish
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CO2 Equipment
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Heaters & Chillers
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UV Sterilizers
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API within the FISH & AQUARIUMS category search found 4,305 items
Picture
Description
Price
Time Left
eBay:
API GH & KH Test Kit
12.49 USD
10d 20h
eBay:
API FRESH WATER MASTER TEST KIT OVER 800 TESTS SEALED NEW! Exp 12 2026 & UP!
38.50 USD
9d 18h
eBay:
API Freshwater Master Test Kit Expires 01 2026 UPC: 317163010341
4.99 USD
6d 13h
eBay:
API Root Tabs 10 Count
10.99 USD
10d 23h
eBay:
API GH & KH Test Kit
11.00 USD
29d 4h
eBay:
API Pondcare Pond AlgaeFix 1 gallon
68.98 USD
13d 1h
eBay:
API STRESS COAT Aquarium Water Conditioner 16 Ounce Bottle
13.10 USD
7d 18h
eBay:
API Pond Care AlgaeFix 32 oz. Pond Algae Control 169 G
33.88 USD
6d 23h
eBay:
API Saltwater Master Test Kit Expires 11 2025 UPC: 317163134016
4.99 USD
6d 16h
eBay:
API Pond AlgaeFix 8oz Fast Algae Growth Control Water Gardens Fountains Ponds
13.99 USD
40m 28s
eBay:
API Stress Coat Water Conditioner for Fish Protection Aquarium Treatment 32Oz
26.89 USD
25d 15h
eBay:
API Quick Start Add Your Fish Today 32oz treats 940 gal
31.76 USD
21d 22h
eBay:
API MARINE REEF MASTER TEST KIT EXP 03 2025
28.00 USD
29d 22h
eBay:
API 5 in 1 Aquarium Test Strips for Freshwater and Saltwater Aquariums 25 Tests
12.90 USD
15d 5h
eBay:
API CO2 Booster 8oz Liquid Carbon Promotes Vibrant Healthy Aquarium Plants
13.84 USD
5h 7m
eBay:
API TAP WATER CONDITIONER Aquarium Water Conditioner 1 Ounce Bottle
6.77 USD
29d 21h
eBay:
API PH Test Kit
9.99 USD
10d 23h
eBay:
API AQUARIUM SALT Freshwater Aquarium Salt 65 Ounce Box
12.16 USD
1d 20h
eBay:
API TAP Water Conditioner Aquarium Water Conditioner 1 Gallon Bottle
49.98 USD
14d 5h
eBay:
API AlgaeFix 16oz Safe and Effective Freshwater Aquarium Algae Control
20.99 USD
15d 1h
eBay:
API Pond Care Algaefix 2.5 gal. Pond Algae Control 169J
139.98 USD
6d 5m
eBay:
API MARINE SALTWARER MASTER TEST KIT EXP 11 2026
33.00 USD
29d 23h
eBay:
API FURAN 2 Treats Bacterial Fish Diseases FRESHWATER SALTWATER Aquarium
38.95 USD
4d 6h
eBay:
API General Cure Fresh and Saltwater Powder Medication 7 Packs
14.50 USD
27d 1m
eBay:
API TROPICAL FLAKES Fish Food .36 Ounce Container
6.99 USD
25d 22h
eBay:
API PH Test Kit Exp 10 2028 250 Tests FRESHWATER ONLY
9.80 USD
15d 3h
eBay:
Brand New API FRESHWATER MASTER TEST KIT Over 800 tests: Free U.S Shipping
38.97 USD
12d 10h
eBay:
API Pond Stress Coat Water Conditioner 32 Ounce Bottle EXP 05 2026
29.99 USD
18d 22h
eBay:
API TAP WATER CONDITIONER Aquarium Water Conditioner 32 Ounce Brand New
23.63 USD
14d 9h
eBay:
API MelaFix 8oz Natural Tea Tree Extract Anti Bacterial Fish Infection Remedy
11.99 USD
13d 20h
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