1,000+ results for test kit aquarium
- RIKKA FRESH WATER AQUARIUM TEST KIT PHOSPHATE, NITRATES, IRON, 150 TESTSOpens in a new window or tabBrand NewC $11.16armand_6117 (99) 100%+C $8.59 shippingfrom Ukraine14 sold
- Aquarium Test Kit Syringe Pipette Tube Wall Mount Holds Assortment 1ml-20mlOpens in a new window or tabBrand NewC $14.21denst2 (1,001) 99.1%Was: C $17.77 20% offfrom United States19 watchers
- SALIFERT MASTER REEF TESTING COMBO KIT - AQUARIUM WATER TESTOpens in a new window or tabBrand NewC $136.79Top Rated SellerTop Rated Sellersaltwateraq (55,297) 98.9%+C $23.59 shippingfrom United StatesLast one65 sold
- API Hardness GH & KH Test Kit - Fish Tank Aquarium Testing MaintenanceOpens in a new window or tabBrand NewC $19.80Top Rated SellerTop Rated Sellerplants_n_fins (3,280) 96.8%+C $15.14 shippingfrom United States42 sold
- Mars Fishcare (API) Master Freshwater Test Kit - pond aquariumOpens in a new window or tabBrand NewC $19.99Top Rated SellerTop Rated Sellerelectric.labyrinth (3,352) 99.1%
- 6 in 1 Aquarium Test Kit 100Pcs Test Strips Freshwater Saltwater Fish TankOpens in a new window or tabBrand NewC $14.36Top Rated SellerTop Rated Sellerfabara70 (116) 100%+C $18.40 shippingfrom United States104 sold
- 50pcs 7 in1 Aquarium Fish Tank Water Tropical Test Strips Kit Nitrite Strips&FMOpens in a new window or tabBrand NewC $5.19Top Rated SellerTop Rated Sellermajfmfu69 (5,575) 96.5%Free shippingfrom China
- Imagitarium 3769528 Aquarium Master Test Kit Freshwater And SaltwaterOpens in a new window or tabBrand NewC $27.35bestseller6690 (131) 100%from United StatesLast one1 watchers
- 100/50 Aquarium Test Strips Fish Tank 7IN1 PH Water Test Strips Kit Freshwater.Opens in a new window or tabBrand NewC $14.20 to C $16.39Top Rated SellerTop Rated Selleraseferttsfj02 (10,108) 98.9%+C $82.07 shippingfrom United StatesFree returns
- Aquarium 7 in 1 Test Strips Water Test Kit Fish Tank Freshwater marine AccurateOpens in a new window or tabBrand NewC $20.51Top Rated SellerTop Rated Sellerxu_zi_wei (16,186) 98.5%Free shippingfrom ChinaFree returns63 sold
- 200 Strips Freshwater Aquarium Test Strips 6 in 1 Fish Tank Test Kit **READ**Opens in a new window or tabBrand NewC $19.99Top Rated SellerTop Rated Sellerseasonofdreams (263) 100%+C $22.99 shipping
- 6 IN 1 Fish Tank Test Kit - 100 Strip Pack - Freshwater TestOpens in a new window or tabBrand NewC $11.00jxa_81 (0) 0%+C $2.00 shipping
- Aquarium Fresh Water Test KitOpens in a new window or tabPre-OwnedC $27.36doued_10 (68) 95.9%from United States
- API Freshwater Fish Master Test Kit Aquarium Tank Water Conditions 800 Tests SetOpens in a new window or tabBrand NewC $62.90buy_great_deals (92,001) 97.7%+C $21.41 shippingfrom United States45 sold
- 100/50 Aquarium Test Strips Fish Tank 7IN1 PH Water Test Strips Kit FreshwaterOpens in a new window or tabBrand NewC $9.82 to C $13.26Top Rated SellerTop Rated Sellerliangnv (413) 96.4%Free shippingfrom China
- API Copper Test Kit (90 tests) for Freshwater & Saltwater Fish Tank AquariumOpens in a new window or tabBrand NewC $18.67Top Rated SellerTop Rated Sellerplants_n_fins (3,280) 96.8%+C $15.10 shippingfrom United States
- Aquarium Test Kit Sea Water Quality Tester Measuring Fish TankOpens in a new window or tabBrand NewC $12.07panonestore (621) 98.5%Was: C $12.83 6% offFree shippingfrom China
- API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master TestOpens in a new window or tabBrand NewC $51.82pondandpetdirect (85) 100%from United States5 watchers
- 100/50x Aquarium Test Strips Fish Tank 7 in1 PH Water Test Strips Kit FreshwaterOpens in a new window or tabBrand NewC $13.67 to C $16.13Top Rated SellerTop Rated Sellerwomeaq (17,319) 98.8%+C $82.07 shippingfrom United StatesFree returns50+ sold
- New ListingAPI Saltwater Marine Master Aquarium Test KitOpens in a new window or tabBrand NewC $17.77sahro41 (146) 90.3%+C $41.63 shippingfrom United States
- RIKKA TEST KIT COPPER Cu AQUARIUMS FRESH AND SALTWATER MORE THAN 60 TESTSOpens in a new window or tabBrand NewC $7.73armand_6117 (99) 100%+C $8.59 shippingfrom Ukraine
- Salifert KH/Alkalinity (Alk) Aquarium Test KitOpens in a new window or tabBrand NewC $22.52aquariumspecialty (18,659) 98.9%+C $15.23 shippingfrom United States
- API Freshwater Aquarium PH Test Kit 250ctOpens in a new window or tabBrand NewC $16.27Top Rated SellerTop Rated Sellerpiccardpets (152,054) 99.6%+C $23.26 shippingfrom United States85 sold
- 100Pcs 7 in 1 Freshwater & Saltwater Aquarium Water Quality Test Stripes KitOpens in a new window or tabBrand NewC $19.01 to C $20.82rayma_489 (99) 90%+C $4.53 shippingfrom China
- API Freshwater Master Test Kit 800+ count Promotes Healthy Fish AquariumOpens in a new window or tabBrand NewC $68.72Top Rated SellerTop Rated SellerList price: C $69.06little.family.members (162,411) 99.1%+C $3.99 shippingfrom United States
- 50Pcs 7 in1 Water Test Strips Kit Swimming Pool Aquarium Fish Tank pH KH Test XLOpens in a new window or tabBrand NewC $13.79Top Rated SellerTop Rated Sellerxlstore666-au (16,036) 99.2%Free shippingfrom China
- API GH & KH Test Kit For Freshwater Fish Aquarium General/Carbonate HardnessOpens in a new window or tabBrand NewC $21.55Top Rated SellerTop Rated SellerList price: C $22.96 6% offlittle.family.members (162,411) 99.1%+C $5.92 shippingfrom United States
- API GH & KH Test KitOpens in a new window or tabBrand NewC $17.09Top Rated SellerTop Rated Sellerkens_fish (24,100) 99.5%+C $19.15 shippingfrom United States169 sold
- Aquarium Test Tube Holder Rack API Saltwater & Freshwater Master Test Kit MarineOpens in a new window or tabBrand NewC $13.61Top Rated SellerTop Rated Sellerworldofprints (15,143) 98.6%+C $19.08 shippingfrom United States96 sold
- RED SEA MCP TEST KIT MARINE CARE MASTER SALTWATER FISH AQUARIUM REEFOpens in a new window or tabBrand NewC $102.59Top Rated SellerTop Rated Sellersaltwateraq (55,297) 98.9%+C $29.41 shippingfrom United StatesLast one312 sold
- Test Tube Holder Rack API Freshwater & Saltwater Master Test Kit Marine AquariumOpens in a new window or tabBrand NewC $17.72 to C $20.45Top Rated SellerTop Rated Sellerworldofprints (15,143) 98.6%+C $19.08 shippingfrom United States
- 50/100x Pond Test Strips 7in1 Water Testing Kit for Freshwater Aquarium FishTankOpens in a new window or tabBrand NewC $13.67 to C $15.03Top Rated SellerTop Rated Selleraseferttsfj01 (7,697) 99%+C $82.07 shippingfrom United StatesFree returns29+ sold
- API Ammonia Test Kit 130 Tests for Freshwater and Marine Aquariums NH3 / NH4Opens in a new window or tabBrand NewC $17.10aang11 (2,255) 99.8%from United States
- 100Pcs Aquarium Test Strips 7 in 1 Fish Tank Test Kit Freshwater SaltwaterOpens in a new window or tabBrand NewC $19.28Top Rated SellerTop Rated Sellerhotwheelharris1 (377) 100%from United States
- Salifert Carbonate Hardness Alkalinity KH/Alk Aquarium Test KitOpens in a new window or tabBrand NewC $22.52premiumaq (29,205) 99.8%+C $15.23 shippingfrom United States
- API PH Test KitOpens in a new window or tabBrand NewC $13.67Top Rated SellerTop Rated Sellerkens_fish (24,100) 99.5%+C $18.30 shippingfrom United States33 sold
- API 5 in 1 Aquarium Test Strips for Freshwater and Saltwater Aquariums 25 TestsOpens in a new window or tabBrand NewC $17.65Top Rated SellerTop Rated Sellerxionm-25 (267) 99.5%from United States
- Mount Only Hanna dKH Alkalinity Checker Aquarium Test Kit Wall or Desk MountOpens in a new window or tabBrand NewC $14.21denst2 (1,001) 99.1%Was: C $17.77 20% offfrom United States19 watchers
- API High Range Test Kit PH Freshwater & Saltwater (160 tests) Fish Tank AquariumOpens in a new window or tabBrand NewC $16.84Top Rated SellerTop Rated Sellerplants_n_fins (3,280) 96.8%+C $15.05 shippingfrom United States
- LM API Reef Master Test KitOpens in a new window or tabBrand NewC $52.66Top Rated SellerTop Rated Sellerbits_n-pieces (2,317) 96.7%+C $8.19 shippingfrom United States
- Water Salimeter Aquarium Test Kit Seawater Fish Tank Density MajorOpens in a new window or tabBrand NewC $12.19Top Rated SellerTop Rated SellerWas: C $12.83 5% offfjenten (439) 99.2%Free shippingfrom China
- Ammonia Test Kit - NH3/NH4 -130 tests | Fresh or Salt Water | Pond or AquariumOpens in a new window or tabBrand NewC $32.70Top Rated SellerTop Rated Sellerpondandgardendepot (23,216) 99.6%from United States
- API KH Carbonate Hardness Test Kit For Freshwater and Saltwater Fish AquariumsOpens in a new window or tabBrand NewC $17.28Top Rated SellerTop Rated SellerList price: C $17.48 1% offlittle.family.members (162,411) 99.1%+C $5.66 shippingfrom United StatesAlmost gone28 sold
- API 5 in 1 Aquarium Test Strips 100 Tests for Freshwater and Saltwater AquariumsOpens in a new window or tabBrand New3 product ratings - API 5 in 1 Aquarium Test Strips 100 Tests for Freshwater and Saltwater AquariumsC $36.92Top Rated SellerTop Rated SellerWas: C $43.44 15% offreef-shop (25,513) 99.8%+C $21.89 shippingfrom United States
- API Nitrate NO3 Test Kit for Freshwater and Marine Aquariums 90 TestsOpens in a new window or tabBrand NewC $20.51Top Rated SellerTop Rated SellerWas: C $24.13 15% offreef-shop (25,513) 99.8%+C $21.89 shippingfrom United States
- API Ammonia Test Kit 130 Tests for Freshwater and Marine Aquariums NH3 / NH4Opens in a new window or tabBrand NewC $21.88Top Rated SellerTop Rated SellerWas: C $25.73 15% offreef-shop (25,513) 99.8%+C $21.89 shippingfrom United States
- API Phosphate Test Kit 150 Tests for Freshwater and Marine Aquariums PO4Opens in a new window or tabBrand NewC $21.88Top Rated SellerTop Rated SellerWas: C $25.73 15% offreef-shop (25,513) 99.8%+C $21.89 shippingfrom United States
- Hagen Complete Master Saltwater & Freshwater Aquarium Test Kit - Very Good Cond.Opens in a new window or tabPre-OwnedC $109.38Top Rated SellerTop Rated Sellerhemicuda0_3 (3,209) 100%+C $76.38 shippingfrom United States
- Tetra EasyStrips 6-in-1 Aquarium Test Strips for Fresh/Salt WaterOpens in a new window or tabBrand NewC $21.88Top Rated SellerTop Rated Sellerleftys0528 (149,149) 99.5%+C $15.20 shippingfrom United States140 sold
- API Nitrate Test KitOpens in a new window or tabBrand NewC $19.14Top Rated SellerTop Rated Sellerkens_fish (24,100) 99.5%+C $17.88 shippingfrom United States103 sold
- Mount Only Hanna Phosphate Checker Aquarium Test Kit Wall or Desk MountOpens in a new window or tabBrand NewC $14.21denst2 (1,001) 99.1%Was: C $17.77 20% offfrom United States31 watchers
- Sera Phosphate PO4 Test Kit Saltwater and Freshwater Aquarium Test KitOpens in a new window or tabBrand NewC $24.61Top Rated SellerTop Rated SellerWas: C $30.77 20% offasap-aquarium (8,600) 99.8%+C $21.89 shippingfrom United States
- Mount Only Hanna Nitrate Checker Aquarium Test Kit Wall or Desk MountOpens in a new window or tabBrand NewC $19.69denst2 (1,001) 99.1%Was: C $24.61 20% offfrom United States
- Six (6) 1mL syringes - non-medical - Aquarium test kit extrasOpens in a new window or tabPre-OwnedC $15.05underwaterlife (281) 100%from United States
- API Copper Test Kit For Freshwater and Saltwater Fish AquariumsOpens in a new window or tabBrand NewC $23.24premiumaq (29,205) 99.8%+C $15.24 shippingfrom United StatesLast one
- API Saltwater Master Test Kit Marine pH Ammonia Nitrite Nitrate Multi Test KitOpens in a new window or tabBrand NewC $49.24Top Rated SellerTop Rated SellerWas: C $57.92 15% offasap-aquarium (8,600) 99.8%+C $30.10 shippingfrom United States
- AQUAYER pH+KH (and CO2) Test Kit for Planted AquariumOpens in a new window or tabBrand NewC $20.38aquayer (2) 100%Free shippingfrom Ukraine
- SALIFERT TEST KIT AMMONIA - SALTWATER & FRESHWATER AQUARIUM FISH WATEROpens in a new window or tabBrand NewC $19.14Top Rated SellerTop Rated Sellersaltwateraq (55,297) 98.9%+C $21.94 shippingfrom United States81 sold
- sera gH Test Kit 15mL Freshwater Aquarium Total Hardness Test KitOpens in a new window or tabBrand NewC $16.40Top Rated SellerTop Rated SellerWas: C $20.51 20% offasap-aquarium (8,600) 99.8%+C $21.89 shippingfrom United States
- API Nitrate Test Kit (Freshwater & Saltwater) - 90 Tests EXP 07/2028Opens in a new window or tabBrand NewC $16.42aang11 (2,255) 99.8%+C $15.03 shippingfrom United States
- Mount Only Hanna Calcium Checker Aquarium Test Kit Wall or Desk MountOpens in a new window or tabBrand NewC $17.50denst2 (1,001) 99.1%Was: C $21.88 20% offfrom United States18 watchers
- eSHA Aqua Check Test Kit, Aquarium Water Test Strips for Tropical Fish TanksOpens in a new window or tabBrand NewC $34.13aquarium_pondh2o (5,568) 99.5%+C $20.56 shippingfrom United States
- AQUAYER Test Kit Set (pH, KH, GH) for Water in Aquarium, Pond or PoolOpens in a new window or tabBrand NewC $26.54aquayer (2) 100%Free shippingfrom Ukraine
- Sera Iron Test Kit Aquarium Water Test Kit Iron Fe Saltwater and FreshwaterOpens in a new window or tabBrand NewC $32.82Top Rated SellerTop Rated SellerWas: C $41.03 20% offasap-aquarium (8,600) 99.8%+C $21.89 shippingfrom United States
- API Ammonia Test Kit 130 count For Freshwater and Saltwater Fish AquariumsOpens in a new window or tabBrand NewC $25.68Top Rated SellerTop Rated SellerList price: C $29.80 14% offlittle.family.members (162,411) 99.1%+C $6.10 shippingfrom United States
- API FRESH WATER MASTER TEST KIT, OVER 800 TESTS, SEALED, NEW! Exp 12/2026 & UP!Opens in a new window or tabBrand NewC $52.67Top Rated SellerTop Rated Sellerflybuy014 (4,999) 100%from United States29 sold
- Salifert Silicate Aquarium Test KitOpens in a new window or tabBrand NewC $22.18premiumaq (29,205) 99.8%+C $15.21 shippingfrom United States
- Seachem Ammonia 75 Test Freshwater Saltwater Aquarium Water Test Kit Free TotalOpens in a new window or tabBrand NewC $13.52Top Rated SellerTop Rated Sellerbennynv (63,067) 99.7%from United StatesLast one2 watchers
- 50pcs 7 in1 Aquarium Fish Tank Water Tropical Test Strips Kit Nitrite Strips- XHOpens in a new window or tabBrand NewC $6.82Top Rated SellerTop Rated Sellerxianmei2-hfhz22 (1,285) 96.7%Free shippingfrom China
- New API Freshwater Master Test Kit Over 800 TestsOpens in a new window or tabBrand NewC $34.19Top Rated SellerTop Rated Sellergulfveteran (14,957) 100%from United States
- API pH Test Kit 250 count For Freshwater Fish Aquariums Promotes HealthOpens in a new window or tabBrand NewC $16.49Top Rated SellerTop Rated Sellerlittle.family.members (162,411) 99.1%+C $5.94 shippingfrom United States
- API Replacement Test Tubes for Aquarium Test Kits 6 Pack BundleOpens in a new window or tabBrand NewC $19.00casagoods (649) 98.6%+C $15.12 shippingfrom United States
- Salifert Ammonia Aquarium Test KitOpens in a new window or tabBrand NewC $24.61premiumaq (29,205) 99.8%+C $15.28 shippingfrom United States
- SJ WAVE 7 in 1 Aquarium Test Kit for Freshwater Aquarium | Fast & Accurate Wa...Opens in a new window or tabBrand NewC $37.42Top Rated SellerTop Rated Sellerbgmiaa5 (642) 96.9%+C $15.66 shippingfrom United States
- RA API Freshwater Master Test KitOpens in a new window or tabBrand NewC $101.33Top Rated SellerTop Rated Sellerbits_n-pieces (2,317) 96.7%+C $28.70 shippingfrom United States
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