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35 ppt Salinity Calibration Solution Sachet | Hanna Instruments

Hanna Instruments
Original price $2.99 - Original price $2.99
Original price
$2.99
$2.99 - $2.99
Current price $2.99
In stock

For HI98319 Salinity Tester use only. Not for use with refractometers. HI70024P is a premium quality 35.00 ppt salinity calibration solution that...

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Original price $2.99 - Original price $2.99
Original price
$2.99
$2.99 - $2.99
Current price $2.99

Glass Cuvettes and Caps for Checker HC Colorimeters (2 pack)

Hanna Instruments
Original price $14.99 - Original price $14.99
Original price
$14.99
$14.99 - $14.99
Current price $14.99
Low stock

The HI731315 are spare glass cuvettes and plastic caps used with the HI7XX Checker® HC colorimeters. Each cuvette has a 10 ml level mark to measur...

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Original price $14.99 - Original price $14.99
Original price
$14.99
$14.99 - $14.99
Current price $14.99

Hanna Saltwater Alkalinity (PPM) Checker | Hanna Instruments

Hanna Instruments
Original price $67.99 - Original price $67.99
Original price
$67.99
$67.99 - $67.99
Current price $67.99
Out of stock

The Hanna Marine Alkalinity (ppm) Checker® bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits...

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Original price $67.99 - Original price $67.99
Original price
$67.99
$67.99 - $67.99
Current price $67.99
Sold out

Copper Test Kit | API

Salifert
Original price $12.99 - Original price $12.99
Original price $12.99
$12.99
$12.99 - $12.99
Current price $12.99
Out of stock

  Tests copper levels in tap, fresh and saltwater aquariums. Correct copper levels are essential for effective parasitic treatment. Frequent tes...

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Original price $12.99 - Original price $12.99
Original price $12.99
$12.99
$12.99 - $12.99
Current price $12.99
Sold out

Marine Magnesium Checker® Reagents (25 Tests) | Hanna Instruments

Hanna Instruments
Original price $24.99 - Original price $24.99
Original price
$24.99
$24.99 - $24.99
Current price $24.99
Low stock

  The HI783-25 are the replacement reagents for the Marine Magnesium Checker® HC - HI783. These high-quality reagents are manufactured in our state...

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Original price $24.99 - Original price $24.99
Original price
$24.99
$24.99 - $24.99
Current price $24.99

Hanna Copper HR Checker | PPM | Hanna Instruments

Hanna Instruments
Original price $67.99 - Original price $67.99
Original price
$67.99
$67.99 - $67.99
Current price $67.99
Low stock

Don't worry about the subjectivity of color charts, trust our handheld colorimeter for accurate measurements for your water testing. Get better ac...

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Original price $67.99 - Original price $67.99
Original price
$67.99
$67.99 - $67.99
Current price $67.99

Smart Stir | AutoAqua

AutoAqua
Original price $33.99 - Original price $33.99
Original price
$33.99
$33.99 - $33.99
Current price $33.99
Low stock

Smart Stir is a small but clever labor-saving gadget to help you mix water test reagent with ease. Its strong motor and tiny magnetic stir...

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Original price $33.99 - Original price $33.99
Original price
$33.99
$33.99 - $33.99
Current price $33.99

PH | Test Kit | Salifert

Salifert
Original price $17.99 - Original price $17.99
Original price $17.99
$17.99
$17.99 - $17.99
Current price $17.99
Low stock

Salifert pH Profi-Test The pH value in a marine tank has a major impact on the growth of corals and calcareous algae and on many biological proce...

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Original price $17.99 - Original price $17.99
Original price $17.99
$17.99
$17.99 - $17.99
Current price $17.99

Potassium | Test Kit | Salifert

Salifert
Original price $19.99 - Original price $19.99
Original price
$19.99
$19.99 - $19.99
Current price $19.99
Low stock

Salifert test kits have been trusted by discerning reefers for years for their ease of use and reliability.  Many reefers will report loss of colo...

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Original price $19.99 - Original price $19.99
Original price
$19.99
$19.99 - $19.99
Current price $19.99

Checktemp® Digital Thermometer | HI98501 | Hanna Instruments

Hanna Instruments
Original price $54.99 - Original price $54.99
Original price
$54.99
$54.99 - $54.99
Current price $54.99
Out of stock

Checktemp® Digital Thermometer is a great choice for easy operation with clear digits and better accuracy over a wide range. Measure temperature wi...

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Original price $54.99 - Original price $54.99
Original price
$54.99
$54.99 - $54.99
Current price $54.99
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Copper High Range Checker® Reagents (25 Tests)

Hanna Instruments
Original price $17.99 - Original price $17.99
Original price
$17.99
$17.99 - $17.99
Current price $17.99
Low stock

  The HI702-25 are the replacement reagents for the HI702 Copper High Range Checker® HC. These high-quality reagents are manufactured in our state-...

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Original price $17.99 - Original price $17.99
Original price
$17.99
$17.99 - $17.99
Current price $17.99

Alkalinity Pro Test Kit (KH) - 75 Tests - Red Sea

Red Sea
Original price $38.99 - Original price $38.99
Original price
$38.99
$38.99 - $38.99
Current price $38.99
Out of stock

Red Sea’s KH/Alkalinity Pro Test Kit is an advanced titration test, measuring the level of buffers in your reef aquarium to an exceptionally high ...

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Original price $38.99 - Original price $38.99
Original price
$38.99
$38.99 - $38.99
Current price $38.99
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DiST®1 Waterproof TDS Tester (0-2000 ppm)

Hanna Instruments
Original price $79.99 - Original price $79.99
Original price
$79.99
$79.99 - $79.99
Current price $79.99
Low stock

  The Hanna Instruments HI98301 DiST® 1 is a low-range total dissolved solids tester than can measure up to 2000 ppm (mg/L). The DiST® 1 is a rugge...

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Original price $79.99 - Original price $79.99
Original price
$79.99
$79.99 - $79.99
Current price $79.99

Copper Test Kit | Seachem

Salifert
Original price $16.99 - Original price $16.99
Original price $16.99
$16.99
$16.99 - $16.99
Current price $16.99
Low stock

Copper kits are usually of two types: compleximetric or titration based. Some kits measure only ionic copper and others measure both ionic and che...

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Original price $16.99 - Original price $16.99
Original price $16.99
$16.99
$16.99 - $16.99
Current price $16.99

Cupramine | Copper Parasite Treatment 250ml | Seachem

SeaChem
Original price $17.99 - Original price $17.99
Original price
$17.99
$17.99 - $17.99
Current price $17.99
Low stock

Cupramine™ effectively eradicates Oodinium, Cryptocaryon, Amyloodinium, Ichthyophthirius, and other ectoparasites of both freshwater and marine f...

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Original price $17.99 - Original price $17.99
Original price
$17.99
$17.99 - $17.99
Current price $17.99

Hanna Ammonia Reagent (25 Tests) HI784-25 | Hanna Instruments

Hanna Instruments
Original price $24.99 - Original price $24.99
Original price
$24.99
$24.99 - $24.99
Current price $24.99
Low stock

  The HI784-25 includes the three replacement reagents needed for the Marine Ammonia Checker® HC - HI784. These high-quality reagents are manufactu...

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Original price $24.99 - Original price $24.99
Original price
$24.99
$24.99 - $24.99
Current price $24.99

Algae Pads | Seachem

SeaChem
Original price $14.99 - Original price $14.99
Original price
$14.99
$14.99 - $14.99
Current price $14.99
Low stock

The Seachem Algae Pads are non-scratch algae pads for glass & acrylic. The melamine foam uses micro abrasive technology to easily remove alg...

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Original price $14.99 - Original price $14.99
Original price
$14.99
$14.99 - $14.99
Current price $14.99

Nitrate Pro Test Kit (NO3) - 100 Tests - Red Sea

Red Sea
Original price $50.99 - Original price $50.99
Original price
$50.99
$50.99 - $50.99
Current price $50.99
Low stock

Red Sea’s Nitrate Pro Test Kit is an advanced colorimetric test with comparator, measuring the level of nitrate in your reef aquarium to an except...

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Original price $50.99 - Original price $50.99
Original price
$50.99
$50.99 - $50.99
Current price $50.99