Test Kits
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31% OFF!
Use to destroy and remove flatworms from your aquarium Treats 300 gallons.81 -
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20% OFF!
This test allows you to measure kH in steps of 0.3 dKh (NSW 7-8) or alkalinity in steps of 0.1 meq/L (NSW 2.5-2.9). The color change is very clear despite the very small steps. This titration test is good for 40 tests.82 -
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30% OFF!
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24% OFF!
Measures with a true accuracy and precision of 10ppm. Titration test kit good for 50-100 tests94 -
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18% OFF!
Deadly in a reef tank, copper in even the most trace amount can reek havoc on reef specimens. Use for testing copper levels when using copper based medications. 50-100 tests84 -
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28% OFF!
Detects iodide as well as a separate test for iodate and molecular iodine. Scale 0.01 - 0.1 ppm (NSW 0.06 ppm). Test is free of interference and independent of redox value. Color remains stable for days. Contains, unlike some other iodine tests, no carcinogenic substances. In fact, none of these test kits contain them. Colorimetric test good for 40 tests.146 -
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30% OFF!
No messy and unreliable filtration, no calcium and strontium interference. Measures with a true accuracy and precision of 30ppm. 25-50 tests98 -
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34% OFF!
This test offers two ranges. Low Range: 0.2 - 10 ppm as nitrate. Medium range: 2-100ppm as nitrate. Colorimetric test good for 60 tests86 -
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41% OFF!
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35% OFF!
The pH value can have a major impact on the growth of corals and calcareous algae and on many biological processes. The pH should not be allowed to fluctuate more than approx. 0.3 units during 24 hours and should preferably be kept between 8.0 and 8.2.
Colorimetrci test good fo 50 tests. Measures from 7.4 to 8.6 in 0.3 increments.54 -
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29% OFF!
Rapid color development in a just a few seconds. Two ranges within the same kit. Ultra-low 0.015 - 1.5 and medium/high range 0.03 - 3 ppm as phosphate98 -
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Measures soluble silicate in two ranges, 0.03 - 3 and 0.3 - 30 ppm as silicate. 60 tests114 -
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21% OFF!
This extremely accurate titration kit gives strontium readings 4ppm increments. 25 tests165 -
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25% OFF!
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20% OFF!
BlueLine Salinity Premium Refractometer
For highly precise and accurate measuring of salinity and specific gravity. Measuring only requires a couple drops of test solution. Ideal for use in aquiculture research, public aquariums and for aquarists who wish to obtain accurate measurement of aquarium water. High quality optical refractive lens and superior craftsmanship. Sturdy aluminum alloy construction.
Includes FG100sa salinity refractometer, dropper, calibration key & soft flannel.
- Easy to use
- Dual scale includes specific gravity and % per thousand salinity
- Automatic temperature compensation
- Easily calibrated (for best result, use salinity refractometer calibration solution - not included)
- Adjustable eyepiece
- Scale Range: 0 - 100pt / 1.00 - 1.070 S.G.
- Minimum Scale: 1ppt / 0.001 S.G.
- Accuracy: +/- 1ppt
299 -
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27% OFF!
BlueLine Value Salinity Refractometer
For highly precise and accurate measuring of salinity and specific gravity. Measuring only requires a couple drops of test solution. Ideal for use in aquiculture research, public aquariums and for aquarists who wish to obtain accurate measurement of aquarium water.
Includes salinity refractometer, dropper, calibration screwdriver, case & soft flannel.
- Easy to use
- Dual scale includes specific gravity and % per thousand salinity
- Automatic temperature compensation
- Easily calibrated (for best result, use salinity refractometer calibration solution - not included)
- Adjustable eyepiece
- Scale Range: 0 - 100pt / 1.00 - 1.070 S.G.
- Minimum Scale: 1ppt / 0.001 S.G.
- Accuracy: +/- 1ppt
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High sensitivity seawater calcium test kit.
- Easy Conversion Factor
- Accurate to 5 MG / L (PPM)
- Precise Dosing Tip
- Precise Color Change
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High sensitivity seawater alkalinity (carbonate hardness) test kit.
- Easy Usable Drop Test
- Stable Tiration Reagent
- Precise Color Change
- Separate Indicator and Titration Solution
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High sensitivity seawater phosphate test kit.
- Highly Sensitive Reagents
- Professionlly Calibrated Color Chart
- Differentiated Color Gradations
- Precise Sliding Comparator
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High sensitivity seawater nitrate test kit.
- Highly Sensitive Reagents
- Professionlly Calibrated Color Chart
- Differentiated Color Gradations
- Precise Sliding Comparator
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High sensitivity seawater magnesium test kit.
- Easy Conversion Factor
- Accurate to 15 MG / L (PPM)
- Precise Dosing Tip
- Precise Color Change
20 -
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20% OFF!
Refractometer Designed for Research Grade Analysis of Natural or Artificial Seawater used in
Marine Science Research and the Advanced Seawater Aquariums359 -
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14% OFF!
- Measurement readings in 2 seconds
- Small sample size - only 4-5 drops
- High quality prism
- Clear gravity scale
- Automatic temperature compensation
- Battery powered - 1 x AAA
- Power saver mode
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