Salifert Iodine Profi-Test Iodine is present in natural sea water in a very low concentration (0.6 mg/L or 0.06 PPM) and this iodine occurs as several different species including iodide, iodate, molecular iodine and hypoio...

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Our Price: $36.99

Item Code: SF1121

Seachem Multitest: Iodine & Iodide Test Kit

SeaChem Multitest: Iodine & Iodide Test Kit This kit measures iodine or iodide to less than 0.005 mg/L. Seachem stands alone in offering this important test to the reef aquarian. multi-cavity plate for simultaneous test...

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Our Price: $12.69

Item Code: SC4145

Red Sea Iodine Test Lab

Iodine is an important biological function to macro-algae, anemones and soft corals, as well as enhancing colors and preventing bleaching. Concentrations of iodine above the natural level however, can be harmful to the delicate ti...

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Our Price: $19.99

Item Code: RS3159

Aquarium Pharmaceuticals Freshwater/Saltwater Nitrate Test Kit, Test kit of 90 tests

Measures nitrate levels in both fresh & saltwater aquariums. Tests nitrate levels from 0 to 160 ppm. 90 tests per kit. Freshwater/Saltwater Nitrate Test Instructions: Why Test For Nitrate? Nitrate (NO3-) is produced in t...

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Our Price: $7.79

Item Code: AP3129

Aquarium Pharmaceuticals Freshwater/Saltwater Copper Test Kit, Test kit of 90 tests

Test reads 0 to 4 mg/L or parts per million (ppm) of copper. Helps to maintain a healthy aquarium or pond for fish by ensuring that copper (a common treatment for many parisitic infections) levels are within the healthy range. Tes...

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Our Price: $7.49

Item Code: AP3135

Aquarium Pharmaceuticals Freshwater /Saltwater Nitrite Test Kit, Test kit of 180 tests

Tests for nitrite in freshwater & saltwater aquariums. Toxic nitrite is produced by nitrifying bacteria in the biological filter as it breaks down ammonia. This kit tests for harmful nitrite and measures levels from 0 to 5.0 ppm. ...

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Our Price: $6.29

Item Code: AP3111

Aquarium Pharmaceuticals Freshwater/Saltwater High Range pH Test Kit, Test kit of 250 tests

Use to measure pH changes in marine aquariums, aquariums with African cichlids, and very alkaline tap water. Reads the pH of water within the high range of 7.4 to 8.8. 160 tests per kit. Freshwater/Saltwater High Range pH T...

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Our Price: $5.29

Item Code: AP3113

Red Sea Magnesium Test Lab Test Kit

Red Sea`s Test Labs come in a unique package that easily transforms into a user friendly workstation. The wide color gradations of the tests have been developed for easy determination of the result. Each lab includes full instruct...

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Our Price: $15.99

Item Code: RS3133

Hagen Phosphate Test Kit (0.0-5.0 mg/l) for Fresh & Saltwater, 75 tests

Hagen Phosphate Test Kit Range: 0.0–1.0 mg/l 75 Tests High phosphate levels can contribute to unsightly algae growth Heavy feeding and infrequent water changes can contribute to phosphate accumulation Tap water can c...

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Our Price: $19.99

Item Code: HG17840

Hagen Nitrate Test Kit (0.0-110.0 mg/l) for Fresh & Saltwater, 80 tests

Hagen Nitrate Test Kit Range: 0.0 = 110.0 mg/l 80 Tests Nitrate generally accumulates in aquariums over time Aquariums with large fish populations, require frequent nitrate testing Tap water can contain nitrate Can...

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Our Price: ~~$17.99~~ $5.77

Item Code: HG17845

Aquarium Pharmaceuticals Aquarian Freshwater Deluxe pH Test Kit, 250 tests

A complete kit to measure and adjust pH. Tests pH levels from 6.0 to 7.6 and includes bottles of pH Up and pH Down to modify aquarium water pH to desired levels. 250 Tests per kit. Freshwater Deluxe pH Test Instructions: Why ...

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Our Price: $6.99

Item Code: AP3213

Sera NO2 Aquarium Test Kit - 75 Tests

Nitrate test kit (75 tests)The sera nitrite-Test makes it easy to determine the level of toxic nitrite. For approx. 75 measurements in fresh and salt water.

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Our Price: $9.99

Item Code: US04410

Sera Marin Water Conditioner Kit Components 1-7 w/ Marin Aqua-Test Kit

Sera Marin COMPONENT 1 Ca Contains important Calcium for the skeleton build-up of corals and other invertebrates. Ideal Calcium levels are between 400 and 450 mg/l (ppm). Use the sera Ca-Test kit to conveniently check the Calciu...

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Our Price: ~~$179.98~~ $99.99

Item Code: US040041

PondCare Master Liquid Test Kit (6 Bottle Kit)

Product Highlight(s): A complete kit for testing tap water & pond water. Tests water for pH, ammonia, nitrite & phoshorous levels. Features 4 test tubes, instruction book, color cards, a holding tray for testi...

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Our Price: $29.99

Item Code: AP8631

Hanna Instruments Phosphate LR Reagent, 100 Tests

Reagents for phosphate LR, ascorbic acid method Range: 0.00 to 2.50 mg/L

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Our Price: $25.99

Item Code: HN1311

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