7,500+ results for freshwater test
- 100/50x Aquarium Test Strips Fish Tank 7 in1 PH Water Test Strips Kit FreshwaterOpens in a new window or tabBrand New$9.99 to $11.79Buy 1, get 1 22% off with couponTop Rated PlusFree shippingwomeaq (17,253) 98.9%Free returns
- API Freshwater Master Test Kit, Expires 03 / 2025- UPC: 317163010341Opens in a new window or tabBrand New$12.00az_sell (13,476) 98.8%11 bids · Time left11h 30m left (Fri, 03:00 AM)+$9.50 shipping
- API Freshwater Master Test Kit, and PH Down (4 Oz)Opens in a new window or tabPre-Owned$24.99mountainman7777 (576) 100%+$2.99 shipping
- 7 in 1 Aquarium Test Kit 100Pcs Pond Test Strips Freshwater Saltwater Fish TankOpens in a new window or tabBrand New$10.89gooasis (12,459) 99.8%Was: $16.99 36% off+$4.00 shipping167 sold
- API Ammonia Test Kit 130 Tests for Freshwater and Marine Aquariums NH3 / NH4Opens in a new window or tabBrand New$13.00xionm-25 (243) 99.4%Free shippingLast one2 watchers
- API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master TestOpens in a new window or tabBrand New$37.88pondandpetdirect (49) 100%Free shipping5 watchers
- Brand New API FRESHWATER MASTER TEST KIT Over 800 tests: Free U.S ShippingOpens in a new window or tabBrand New$38.97greatdealsdealer (3,533) 99.6%Was: $59.95 35% offFree shippingFree returns42 sold
- API Ammonia Test Strips Saltwater & Freshwater Aquariums 25 Tests Exp 1/26Opens in a new window or tabBrand New$12.00aang11 (2,212) 100%Free shippingFree returns
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Sponsored | Top selling items from highly rated sellers with free shipping- 6 in 1 Aquarium Test Kit 100Pcs Test Strips Freshwater Saltwater Fish TankOpens in a new window or tabBrand New$10.50Save up to 10% when you buy morefabara70 (114) 100%+$2.50 shipping102 sold
- API Freshwater Master Test KitOpens in a new window or tabBrand New$10.80kjt5n-65 (76) 97.5%0 bids · Time left5d 18h left (Wed, 09:44 AM)+$8.45 shipping
- API Freshwater Master Test KitOpens in a new window or tabBrand New$38.49Save up to 20% when you buy morekens_fish (23,945) 99.4%Free shipping20 sold
- Salifert Freshwater Nitrate Test Kit 60 Tests Nitrate (NO3) Profi TestOpens in a new window or tabBrand New$16.99Top Rated PlusWas: $19.99 15% offasap-aquarium (8,561) 99.9%Free shippingFree returns2 watchers
- API Copper Test Kit (90 tests) for Freshwater & Saltwater Fish Tank AquariumOpens in a new window or tabBrand New$13.65Save up to 18% when you buy moreplants_n_fins (3,229) 96.7%Free shipping
- 50/100x Pond Test Strips 7in1 Water Testing Kit for Freshwater Aquarium FishTankOpens in a new window or tabBrand New$9.99 to $10.99Save up to 13% when you buy moreTop Rated PlusFree 3 day shippingaseferttsfj01 (7,582) 99%Free returns
- 100/50 Aquarium Test Strips Fish Tank 7IN1 PH Water Test Strips Kit Freshwater.Opens in a new window or tabBrand New$9.86 to $11.38Save up to 10% when you buy moreWas: $10.38 5% offTop Rated Plusaseferttsfj02 (10,011) 98.9%Free 4 day shippingFree returns
- 50pcs Fish Tank Test Strips 7-Way Aquarium Testing Kit for Freshwater SaltwaterOpens in a new window or tabBrand New$10.70$10 off $50+ with couponWas: $11.89 10% offhuniny (49) 98%Free shipping
- API Freshwater Master Test Kit 800+ Fresh Water Tests pH Ammonia Nitrate NitriteOpens in a new window or tabBrand New$29.99dad_planet (5,444) 99.6%Was: $59.98 50% off+$10.35 shipping
- API Freshwater Master Test Kit With Tube Stand And Extra Tube UsedOpens in a new window or tabPre-Owned$20.00northwesternfinds (68) 100%+$15.70 shipping
- API GH & KH Test Kit for Freshwater Aquariums General & Carbonate Hardness TestOpens in a new window or tabBrand New46 product ratings - API GH & KH Test Kit for Freshwater Aquariums General & Carbonate Hardness Test$13.99Top Rated PlusWas: $16.46 15% offasap-aquarium (8,561) 99.9%Free shippingFree returns
- 🐠API High Range pH Test Kit Freshwater & Saltwater Marine 160 Tests Exp 2/27 🐠Opens in a new window or tabBrand New$12.00what-u-must-have (14,940) 99.3%Free shippingLast one2 watchers
- API Nitrate NO3 Test Kit for Freshwater and Marine Aquariums 90 TestsOpens in a new window or tabBrand New$14.99Top Rated PlusWas: $17.64 15% offreef-shop (25,500) 99.9%Free shippingFree returns
- API 5 in 1 Aquarium Test Strips 100 Count pH KH GH Nitrate Freshwater SaltwaterOpens in a new window or tabBrand New$26.99Top Rated PlusWas: $31.75 15% offasap-aquarium (8,561) 99.9%Free shippingFree returns
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- API pH Test Kit for Freshwater Aquariums Contains 250 Fast and Easy TestsOpens in a new window or tabBrand New$10.99Top Rated PlusWas: $12.93 15% offasap-aquarium (8,561) 99.9%Free shippingFree returns
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- Nitrate Test Kit for Aquarium Water, Freshwater & Saltwater Fish Tank TestOpens in a new window or tabBrand New$21.30reitzedouma (0) 0%Free shippingFree returns
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- 100Pcs Aquarium Test Strips Fish Tank 7IN1 PH Water Test Strips Kit FreshwaterOpens in a new window or tabBrand New$10.29Save up to 5% when you buy moreWas: $14.99 31% offstarstartusd (299) 100%+$4.00 shipping192 sold
- API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master Test KiOpens in a new window or tabBrand New$50.54goods_for_you (58) 100%Free shippingFree returns
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- Salifert Freshwater Phosphate Test Kit 60 Tests (PO4) Profi TestOpens in a new window or tabBrand New$15.99Top Rated PlusWas: $18.81 15% offasap-aquarium (8,561) 99.9%Free shippingFree returns
- SEACHEM AMMONIA ALERT AQUARIUM WATER TEST FRESHWATEROpens in a new window or tabBrand New$12.99riftlakeaquatic (12,875) 100%Free 4 day shipping36 sold
- New Listing150Pcs Aquarium Test Strips 7 in 1 Fish Tank Test Kit Freshwater Saltwater CVOpens in a new window or tabBrand New$14.95kellyam1214 (2,011) 98.9%Free shipping
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- Lot of 2 Packs: API 5-in-1 Aquarium Saltwater Freshwater Test StripOpens in a new window or tabBrand New$9.99achang87 (636) 99%Free shippingLast one1 watchers
- API Nitrate NO3 Test Kit (90 count) Freshwater & Saltwater Fish Tank TestingOpens in a new window or tabBrand New$15.95Save up to 18% when you buy moreplants_n_fins (3,229) 96.7%Free shipping
- 100Pcs Aquarium Test Strips 7 in 1 Fish Tank Test Kit Freshwater Saltwater CVOpens in a new window or tabBrand New$13.39Save up to 20% when you buy moremcainpty (3,690) 98.3%Free shipping
- API KH Test Kit Carbonate Hardness Test for Marine and Freshwater AquariumsOpens in a new window or tabBrand New$11.99Top Rated PlusWas: $14.11 15% offreef-shop (25,500) 99.9%Free shippingFree returns
- API KH Carbonate Hardness Test Kit For Freshwater and Saltwater Fish AquariumsOpens in a new window or tabBrand New$12.63Save up to 7% when you buy moreList price: $12.78 1% offTop Rated Pluslittle.family.members (162,279) 99.1%Free shippingFree returnsAlmost gone28 sold
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- API 5-in-1 Test Strips Freshwater & Saltwater Aquarium Test Strips 100 CountOpens in a new window or tabBrand New$33.37Save up to 7% when you buy moreList price: $34.98 5% offTop Rated Pluslittle.family.members (162,279) 99.1%Free shippingFree returns
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- API Freshwater Hardness GH & KH Test KitOpens in a new window or tabBrand New$12.99befishy (53) 100%+$4.38 shipping
- API Freshwater Master Test KitOpens in a new window or tabBrand New$39.99nintendo94 (627) 100%Free shipping
- FLUVAL GH/KH Test Kit Freshwater Saltwater A7876Opens in a new window or tabBrand New$16.99riftlakeaquatic (12,875) 100%Was: $19.99 15% offFree 4 day shipping6 watchers
- API Phosphate Test Kit 150 Tests for Freshwater and Marine Aquariums PO4Opens in a new window or tabBrand New$15.99Top Rated PlusWas: $18.81 15% offreef-shop (25,500) 99.9%Free shippingFree returns
- API Phosphate Test Kit For Freshwater & Saltwater TanksOpens in a new window or tabBrand New$15.99piccardpets (151,953) 99.6%Free shipping20 sold
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- API Ammonia Test Strips for Saltwater & Freshwater Aquariums 25 Tests Dip & ReadOpens in a new window or tabBrand New3 product ratings - API Ammonia Test Strips for Saltwater & Freshwater Aquariums 25 Tests Dip & Read$16.99Top Rated PlusWas: $19.99 15% offasap-aquarium (8,561) 99.9%Free shippingFree returns
- API Ammonia Test Strips Saltwater & Freshwater Aquariums 25 Tests Exp 2/26🐠Opens in a new window or tabBrand New$15.99what-u-must-have (14,940) 99.3%Free shipping
- 100Pcs Aquarium Test Strips 7 in 1 Fish Tank Test Kit Freshwater Saltwater HAOpens in a new window or tabBrand New$14.39 to $16.09halflotus_h (1,624) 98.6%Free shippingfrom Canada
- Freshwater Hardness GH & KH Test Kit GH &KH test Kit By APIOpens in a new window or tabBrand New$14.58Save up to 6% when you buy morehealthylife.usa (34,953) 95%Free shipping
- FRESHWATER MASTER TEST KIT EACHOpens in a new window or tabBrand New$45.97kanadaforsale (21,300) 97.3%Free shippingFree returns110 sold
- API 5-In-1 Test Strips Freshwater and Saltwater Aquarium Test Strips 100-Count BOpens in a new window or tabBrand New3 product ratings - API 5-In-1 Test Strips Freshwater and Saltwater Aquarium Test Strips 100-Count B$32.32eliavna27 (551) 97.7%Free shippingFree returnsLast one1 watchers
- Freshwater Mini PH Test Kit (250 tests) essential test for all freshwater tanksOpens in a new window or tabBrand New$11.77frogpondaquatics (7,162) 99.6%Was: $13.85 15% offFree shipping
- API pH Test & Adjuster Kit Freshwater Aquarium Test Kit pH Up & pH Down EXP 2027Opens in a new window or tabBrand New$12.99achang87 (636) 99%Free shipping6 watchers
- 50pcs Fish Tank Test Strips 7-Way Aquarium Testing Kit for Freshwater SaltwaterOpens in a new window or tabBrand New$10.94$6 off every $30 with couponWas: $11.89 8% offqijufg (338) 98%Free shipping
- 5 IN 1 TEST STRIPS Freshwater and Saltwater Aquarium Test Strips 100-Count BoxOpens in a new window or tabBrand New$29.99methumsi_0 (5) 100%Free shippingfrom Sri Lanka
- RIKKA FRESH WATER AQUARIUM TEST KIT PHOSPHATE, NITRATES, IRON, 150 TESTSOpens in a new window or tabBrand New$8.08armand_6117 (98) 100%+$6.22 shippingfrom Ukraine14 sold
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