72 results for hardness testing
- RA Carbonate Hardness/Alkalinity Test KitOpens in a new window or tabBrand NewS$ 43.69Top-rated sellerTop-rated sellerbits_n-pieces (2,383) 96.7%+S$ 2.95 postagefrom United States
- Total Hardness Test Kit, Model 5-BOpens in a new window or tabBrand NewS$ 142.71whitecollarshop (8) 0%+S$ 38.57 postagefrom United States
- RA KH Carbonate Hardness Test Kit - Freshwater/SaltwaterOpens in a new window or tabBrand NewS$ 28.76Top-rated sellerTop-rated sellerbits_n-pieces (2,383) 96.7%+S$ 11.80 postagefrom United States
- 150 Pcs Water Hardness Tester Quality Testing Kit Fish Tank SuiteOpens in a new window or tabBrand NewS$ 27.38ordfindate (518) 98.7%Free International Shippingfrom China
- Water Test Strips Nitrate PH Hardness Testing Strips For Swimming Pool AquariumOpens in a new window or tabBrand NewS$ 9.70Top-rated sellerTop-rated sellerbalpha (17,423) 98.2%Free International Shippingfrom China
- Hardness (GH) Test Kit (40 Tests) - ASFOpens in a new window or tabBrand NewS$ 29.07saltwateraq (55,315) 99%+S$ 52.39 postagefrom United States
- API General & Carbonate Hardness Test KitOpens in a new window or tabBrand NewS$ 20.36piccardpets (152,077) 99.6%+S$ 27.24 postagefrom United StatesLast one7 watchers
- Hach Hardness Test Kit For Marine Calcium And Magnesium LevelOpens in a new window or tabBrand NewS$ 406.38vilarge75 (453) 98.7%+S$ 72.42 postagefrom United States
- Salifert Carbonate Hardness Alkalinity KH/Alk Aquarium Test KitOpens in a new window or tabBrand NewS$ 24.30premiumaq (29,214) 99.8%+S$ 35.08 postagefrom United States15 sold
- 50 Pcs Aquarium Testing Strips Water Hardness Tester Suite Fish TankOpens in a new window or tabBrand NewS$ 14.45deepsteron (1,391) 97.5%Free International Shippingfrom China
- API KH Test Kit Carbonate Hardness Test Kit for Fresh & Salt WaterOpens in a new window or tabBrand NewS$ 17.70Top-rated sellerTop-rated sellerWas: S$ 20.83 15% offasap-aquarium (8,611) 99.8%+S$ 32.48 postagefrom United States
- NYOS Carbonte Hardness Test KitOpens in a new window or tabBrand NewS$ 26.56premiumaq (29,214) 99.8%+S$ 35.14 postagefrom United States
- AQUAYER GH Test Kit for Water in Aquarium, Pond or PoolOpens in a new window or tabBrand NewS$ 18.01aquayer (2) 100%Free International Shippingfrom Ukraine
- LM API Reef Master Test KitOpens in a new window or tabBrand NewS$ 56.83Top-rated sellerTop-rated sellerbits_n-pieces (2,383) 96.7%+S$ 8.84 postagefrom United States
- RA GH & KH General & Carbonate Hardness Test Kit - FreshwaterOpens in a new window or tabBrand NewS$ 23.92Top-rated sellerTop-rated sellerbits_n-pieces (2,383) 96.7%+S$ 35.07 postagefrom United States
- Salifert KH/Alkalinity Test Kit Aquarium Carbonate Hardness & Alkalinity Kh/AlkOpens in a new window or tabBrand NewS$ 61.79chalielaa (241) 100%+S$ 22.15 postagefrom Thailand
- Sera KH Test Kit Alkalinity Carbonate Hardness Aquarium Test KitOpens in a new window or tabBrand NewS$ 19.18Top-rated sellerTop-rated sellerWas: S$ 23.98 20% offreef-shop (25,521) 99.8%+S$ 32.48 postagefrom United States
- AQUAYER Test Kit Set (pH, KH, GH) for Water in Aquarium, Pond or PoolOpens in a new window or tabBrand NewS$ 28.65aquayer (2) 100%Free International Shippingfrom Ukraine
- 200 Pcs Water Hardness Tester Fish Testing Strips AquariumOpens in a new window or tabBrand NewS$ 36.46Top-rated sellerTop-rated sellerqonhaha (2,206) 98.1%Free International Shippingfrom China
- Hach,Model 5-B 145300,Total Hardness Test KitOpens in a new window or tabBrand NewS$ 103.36Top-rated sellerTop-rated sellersurplusassetholdingsinc (5,239) 99.5%+S$ 64.61 postagefrom United States
- Carbonate Hardness (Alk/KH) Reefer Test Kit 50 Tests - NYOS AquaticsOpens in a new window or tabBrand NewS$ 22.13saltwateraq (55,315) 99%+S$ 42.38 postagefrom United StatesLast one7 watchers
- API KH Test Kit Carbonate Hardness Test Kit for Fresh & Salt WaterOpens in a new window or tabBrand NewS$ 17.70prosperityresale (262) 98.5%+S$ 44.70 postagefrom United States
- API Freshwater Hardness GH & KH Test KitOpens in a new window or tabBrand NewS$ 19.18befishy (53) 100%+S$ 36.87 postagefrom United States
- API GH & KH Test Kit for Freshwater Aquariums General & Carbonate Hardness TestOpens in a new window or tabBrand NewS$ 20.66Top-rated sellerTop-rated sellerWas: S$ 24.30 15% offasap-aquarium (8,611) 99.8%+S$ 32.48 postagefrom United States
- KH Test Kit Carbonate hardnessOpens in a new window or tabBrand NewS$ 18.87coastalpond (981) 97.1%+S$ 34.92 postagefrom United StatesLast one
- RA GH & KH General & Carbonate Hardness Test Kit - FreshwaterOpens in a new window or tabBrand NewS$ 22.15msrena68 (883) 96.9%+S$ 75.26 postagefrom United States
- Sera Marin Aqua Test Box Multi Test Kit for Saltwater Marine and Reef AquariumsOpens in a new window or tabBrand NewS$ 162.41Top-rated sellerTop-rated sellerWas: S$ 203.01 20% offasap-aquarium (8,611) 99.8%+S$ 132.89 postagefrom United States
- sera gH Test Kit 15mL Freshwater Aquarium Total Hardness Test KitOpens in a new window or tabBrand NewS$ 17.70Top-rated sellerTop-rated sellerWas: S$ 22.13 20% offasap-aquarium (8,611) 99.8%+S$ 32.48 postagefrom United States
- 150x 6-in-1 Aquarium Test Strips for Fresh/Salt Water 150 StripsOpens in a new window or tabBrand NewS$ 23.61relnai_52 (213) 99.4%+S$ 52.39 postagefrom United States
- Salifert KH/Alkalinity Test Kit Aquarium Carbonate Hardness & Alkalinity (Kh/AlkOpens in a new window or tabBrand NewS$ 61.79gulagoop (507) 100%+S$ 22.15 postagefrom Thailand
- API 5-IN-1 Test Strips (4 Count) Fish Tank Aquarium TestingOpens in a new window or tabBrand NewS$ 17.05Top-rated sellerTop-rated sellerplants_n_fins (3,307) 96.8%+S$ 34.86 postagefrom United States
- Aquarium Test Kit Syringe Cuvette Tube Wall Mount Modular DesignOpens in a new window or tabBrand NewS$ 23.61denst2 (1,006) 99.1%Was: S$ 29.52 20% off+S$ 30.45 postagefrom United States
- API GH & KH Test Kit for Freshwater Aquariums General & Carbonate Hardness TestOpens in a new window or tabBrand NewS$ 20.98jia_ya6 (674) 95%+S$ 34.98 postagefrom United States
- API GH & KH Test KitOpens in a new window or tabBrand NewS$ 16.24yasmincaldwell8_2 (966) 97.2%+S$ 44.65 postagefrom United States
- 100Pcs 7 in 1 Aquarium Fish Tank Water Tropical Test Strips KitOpens in a new window or tabBrand NewS$ 20.30Top-rated sellerTop-rated sellerWas: S$ 23.89 15% offsport7771 (243) 98%Free International Shippingfrom China
- API 5 in 1 Aquarium Test Strips 100 Tests for Freshwater and Saltwater AquariumsOpens in a new window or tabBrand NewS$ 39.85Top-rated sellerTop-rated sellerWas: S$ 46.88 15% offreef-shop (25,521) 99.8%+S$ 32.48 postagefrom United States
- NO3 Test Strips PH Tropical 100Pcs Aquarium Bromine Chlorine Fish Tank DurableOpens in a new window or tabBrand NewS$ 19.28biubiubiu8 (156) 98.4%Was: S$ 22.69 15% offFree International Shippingfrom China
- Test Strips PH Tropical Water 100Pcs Chlorine Fish Tank GH NO2 NO3 7 In 1Opens in a new window or tabBrand NewS$ 17.60nevertoolate004 (54) 98.2%Was: S$ 22.56 22% offFree International Shippingfrom China
- Salifert KH/Alkalinity Carbonate Hardness Alkalinity (Kh/Alk) Test Kit 100-200 tOpens in a new window or tabBrand NewS$ 61.79veranda2002 (367) 99.3%+S$ 22.15 postagefrom Thailand
- Salifert KH/Alkalinity (Alk) Aquarium Test Kit Carbonate Hardness & AlkalinityOpens in a new window or tabBrand NewS$ 61.79happybull20 (227) 100%+S$ 22.15 postagefrom Thailand
- RIKKA GENERAL FRESH WATER TEST KIT. PO4, NO3, NO2, NH3, pH wide, pH, KH, GH, Fe-Opens in a new window or tabBrand NewS$ 20.67armand_6117 (99) 100%+S$ 32.48 postagefrom Ukraine14 watchers
- Pack of 24 x Water Test Strips | Testing NO2 ● NO3 ● GH ● KH ● pH ● CL2 ● CO2Opens in a new window or tabBrand NewS$ 123.79acanthophacelus (277) 97.3%+S$ 18.47 postagefrom United Kingdom
- NO3 Test Strips PH Tropical Water 100Pcs 7 In 1 Bromine Chlorine Fish TankOpens in a new window or tabBrand NewS$ 14.78Top-rated sellerTop-rated sellerWas: S$ 17.60 16% offdressingleader (997) 96.4%Free International Shippingfrom China
- Aquarium Test Tube Holder Drying Rack Stand for API Master Test Kit FreshwaterOpens in a new window or tabBrand NewS$ 22.13deals_by_daniel (3,349) 99.9%+S$ 30.40 postagefrom United StatesFree returns
- Mass Spec Saltwater Reef Aquarium Water Test (50+ Elements) - ICP AnalysisOpens in a new window or tabBrand NewS$ 42.75riptidereef (734) 100%+S$ 35.63 postagefrom United States
- API 5 in 1 Aquarium Test Strips for Freshwater and Saltwater Aquariums 25 TestsOpens in a new window or tabBrand NewS$ 23.61Top-rated sellerTop-rated sellerWas: S$ 27.77 15% offreef-shop (25,521) 99.8%+S$ 32.48 postagefrom United States
- API Reef Master Test Kit Calcium KH Phosphate Nitrate Fast Easy Accurate ResultsOpens in a new window or tabBrand NewS$ 53.14Top-rated sellerTop-rated sellerWas: S$ 62.52 15% offreef-shop (25,521) 99.8%+S$ 47.25 postagefrom United States
- White Paper Aquarium Test Strips Drinking Water Acid SubstanceOpens in a new window or tabBrand NewS$ 21.53Top-rated sellerTop-rated selleryoudealshops (22,277) 99.1%Free International Shippingfrom China
- API 5 in 1 Aquarium Test Strips 4 Pack pH KH GH Nitrate Freshwater and MarineOpens in a new window or tabBrand NewS$ 20.66Top-rated sellerTop-rated sellerWas: S$ 24.30 15% offasap-aquarium (8,611) 99.8%+S$ 32.48 postagefrom United States
- Sera Aqua-Test Set Aquarium Multi Test Kit pH Alkalinity KH GH Nitrite NO2Opens in a new window or tabBrand NewS$ 53.14Top-rated sellerTop-rated sellerWas: S$ 66.43 20% offasap-aquarium (8,611) 99.8%+S$ 47.25 postagefrom United States
- 150x 6-in-1 Aquarium Test Strips for Fresh/Salt Water 150 Strips NIP FREESHIPOpens in a new window or tabBrand NewS$ 29.52planetliquidationservices (1,212) 96%+S$ 45.04 postagefrom United States
- NEW Tetra Easystrips 6 in 1 Aquarium Test Strips, 25 PACKOpens in a new window or tabBrand NewS$ 17.70siafu2000 (2,461) 100%+S$ 44.70 postagefrom United States
- Freshwater Hardnss Test Kit expires 02/2024Opens in a new window or tabBrand NewS$ 19.20d.conley142 (228) 96.2%+S$ 43.72 postagefrom United States
- Alkalinity KH Z010 ReagantOpens in a new window or tabBrand NewS$ 14.75aquariumpartners (69) 0%+S$ 36.10 postagefrom United States
- API Reef Master Test Kit Tests Calcium Carbonate Hardness Phosphate NitrateOpens in a new window or tabBrand NewS$ 88.56Top-rated sellerTop-rated sellergreatdealsdealer (3,608) 99.6%+S$ 136.24 postagefrom United States
- API 5-in-1 Aquarium Saltwater Freshwater Test Strip; pH GH KH Nitrate & NitriteOpens in a new window or tabBrand NewS$ 9.58achang87 (638) 98.9%+S$ 40.53 postagefrom United States
- ICP-ANALYSIS - Aquarium Fresh WATER ANALYSIS SINGLE TEST - 50 ELEMENTSOpens in a new window or tabBrand NewS$ 44.28aquariummarketplace (584) 96.7%+S$ 35.67 postagefrom United States
- NEW Tetra Easystrips 6 in 1 Aquarium Test Strips, 25 PACKOpens in a new window or tabBrand NewS$ 11.44prima808s_general_store (61) 100%+S$ 37.99 postagefrom United States
- Sera 5 in 1 Test Strips Quick Test 50 Strips Freshwater pH gH kH No2 No3Opens in a new window or tabBrand NewS$ 33.95Top-rated sellerTop-rated sellerWas: S$ 42.44 20% offasap-aquarium (8,611) 99.8%+S$ 32.48 postagefrom United States
- API KH Test Kit Carbonate Hardness Stabilized Aquarium pH Fresh/Salt WaterOpens in a new window or tabBrand NewS$ 23.61Top-rated sellerTop-rated sellerbi-statedeals (12,746) 99.2%+S$ 44.86 postagefrom United States
- API 5-in-1 Freshwater Aquarium 4 pack Test Strip fish tank fresh & salt waterOpens in a new window or tabBrand NewS$ 36.84js937466 (297) 96.6%+S$ 35.45 postagefrom United States
- API KH Test Kit Carbonate Hardness Test for Marine and Freshwater AquariumsOpens in a new window or tabBrand NewS$ 17.70Top-rated sellerTop-rated sellerWas: S$ 20.83 15% offreef-shop (25,521) 99.8%+S$ 32.48 postagefrom United States
- Sera Alkalinity KH Carbonate Hardness Test Kit for Freshwater Saltwater ReefOpens in a new window or tabBrand NewS$ 19.18Top-rated sellerTop-rated sellerWas: S$ 23.98 20% offasap-aquarium (8,611) 99.8%+S$ 32.48 postagefrom United States
- API 5 in 1 Aquarium Test Strips 100 Count pH KH GH Nitrate Freshwater SaltwaterOpens in a new window or tabBrand NewS$ 39.85Top-rated sellerTop-rated sellerWas: S$ 46.88 15% offasap-aquarium (8,611) 99.8%+S$ 32.48 postagefrom United States
- API 5 in 1 Aquarium Test Strips for Freshwater and Saltwater Aquariums 4 TestsOpens in a new window or tabBrand NewS$ 20.66Top-rated sellerTop-rated sellerWas: S$ 24.30 15% offreef-shop (25,521) 99.8%+S$ 32.48 postagefrom United States
- API Reef Master Test Kit 4 in 1 Multi-Test Kit Calcium KH Phosphate NitrateOpens in a new window or tabBrand NewS$ 53.14Top-rated sellerTop-rated sellerWas: S$ 62.52 15% offasap-aquarium (8,611) 99.8%+S$ 47.25 postagefrom United States
- API 5 in 1 Aquarium Test Strips pH Alkalinity GH Nitrate Freshwater SaltwaterOpens in a new window or tabBrand NewS$ 23.61Top-rated sellerTop-rated sellerWas: S$ 27.77 15% offasap-aquarium (8,611) 99.8%+S$ 32.48 postagefrom United States
- Lot of 2 Packs: API 5-in-1 Aquarium Saltwater Freshwater Test StripOpens in a new window or tabBrand NewS$ 14.75achang87 (638) 98.9%+S$ 34.80 postagefrom United StatesLast one1 watchers
- ICP-ANALYSIS - Aquarium Reef WATER ANALYSIS SINGLE TEST - 33 ELEMENTSOpens in a new window or tabBrand NewS$ 55.77aquariummarketplace (584) 96.7%+S$ 36.01 postagefrom United States
- Fauna Marin Reef ICP Test (Single Test) 37 ValuesOpens in a new window or tabBrand NewS$ 47.24aquariummarketplace (584) 96.7%+S$ 35.76 postagefrom United StatesLast one
- Fauna Marin Reef ICP Total Test (Single Test) Conductivity, Density, PH, DensityOpens in a new window or tabBrand NewS$ 70.86aquariummarketplace (584) 96.7%+S$ 36.46 postagefrom United States
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