null
Vertical Categories
0
Free Shipping on All Orders. No Minimum Purchase Required*
Aquarium Industry News & Education
Vertical Categories
Toggle menu

Water Testing

Sub Categories

Hanna Checkers

Hanna Reagents

Salinity

Temperature

pH

Alkalinity (Alk/KH)

Calcium (CA)

Magnesium (MG)

Nitrate (NO3)

Phosphate (PO4)

Ammonia (NH4)

Nitrite (N02)

ORP - Oxygen

Trace & Other Elements

Sidebar
View as:
HI98319 Salinity & Temperature Tester - Hanna

Hanna Instruments

HI98319 Salinity & Temperature Tester - Hanna

$69.00
We are pleased to announce our NEW HI98319 waterproof salinity and temperature tester! Waterproof and floats! Includes 4x of the Salinity Calibration Fluid Packets. Automatic Calibration – A 35.00 ppt solution is used for calibration and...
Add to Cart
Nitrate (NO3) Test Kit - Salifert

Salifert

Nitrate (NO3) Test Kit - Salifert

$17.37
A too high nitrate concentration can result in unwanted algae-growth and these might irritate corals in their neighborhood. Nitrate as such also retards coral growth. The nitrate concentration in a proper functioning reef aquarium should...
Add to Cart
Magnesium (MG) Test Kit - Salifert

Salifert

Magnesium (MG) Test Kit - Salifert

$19.61
Magnesium is present in NSW in a fairly high concentration (1300 - 1400 mg/L). Magnesium is an essential part of chlorophyll, which is necessary for photosynthesis. Without photosynthesis plants, including algae and the corals, which we usually have in...
Add to Cart
Salinity Refractometer w/ Calibration Fluid - Generic

All Misc Brands

Salinity Refractometer w/ Calibration Fluid - Generic

$29.95
It is designed for testing the concentration of salt water and brine and used for quality control in research and clinical laboratories and marine industry. Its scale provides a direct reading of the specific gravity and concentration (part per Thousand)...
Add to Cart
Calcium (Ca) Ultra Test Kit - Salifert

Salifert

Calcium (Ca) Ultra Test Kit - Salifert

$18.81
Calcium is a major constituent of calcareous algae, skeletal material of hard corals and the skeletal needles of soft/leather corals. Calcium also fulfills many biological functions.Quite often a too low calcium concentration retards coral and calcareous...
Add to Cart
MCP Test Kit Marine Master Care - Red Sea

Red Sea

MCP Test Kit Marine Master Care - Red Sea

$59.99
Easy-to-use tests for the accurate monitoring of all of the important parameters during the biological maturation of marine and reef aquariums NH3/NH4 | NO3 | NO2 | pH | KH Red Sea Marine Care Test Kit is Complete multi-test pack including all of...
Add to Cart
PINPOINT pH Probe - American Marine

American Marine

PINPOINT pH Probe - American Marine

$37.99
The PINPOINT® pH Electrode equals and exceeds lab quality by both specif cation and design.  The PINPOINT® pH Electrode has been designed as the most rugged, precise and full-featured probe offered to both the clinical lab and aquaculture...
Add to Cart
Ammonia Alert - Seachem

Seachem

Ammonia Alert - Seachem

$7.35 $8.75
Ammonia Alert™ is an innovative color device for continuously detecting and monitoring toxic free ammonia. A sensor changes reversibly from yellow to green to blue, relative to the ammonia concentration. No test kits, chemicals, or procedures are...
Add to Cart
PINPOINT pH 7.0 Calibration Fluid (5 Pack)

American Marine

PINPOINT pH 7.0 Calibration Fluid (5 Pack)

$5.95
PINPOINT® High-Precision pH Calibration Fluids come in plastic envelope packets and are extremely accurate and field portable. Each packet contains ample fluid for calibration (about 30 ml). There is a free sample of these included with each...
Add to Cart
PINPOINT ORP Monitor - American Marine

American Marine

PINPOINT ORP Monitor - American Marine

$114.99
PINPOINT® ORP Monitor will measure the ORP (oxidation-reduction potential, or REDOX) of your system. It is popular with those who use ozone gas or potassium permanganate as an artificial oxidation agent in fresh or saltwater. It is also popular for...
Add to Cart
Smart Temp Magnetic Thermometer - JW Pet

JW Pet

Smart Temp Magnetic Thermometer - JW Pet

$5.95
JW Pet Company Smart temp Thermometer Aquarium Accessory Large : JW Fusion Smart Temp Thermometer features a unique magnetic system that securely holds the thermometer in place inside of the aquarium with a magnet on the outside of the glass. It ranges...
Add to Cart
Phosphate (PO4) Test Kit - Salifert

Salifert

Phosphate (PO4) Test Kit - Salifert

$19.61
Phosphate also blocks or retards the growth of corals and calcareous algae. One of the scientific studies shows that a phosphate concentration higher than 0.05 mg/L decreases the growth of calcareous algae by 90%! Washing fish food, which is a rich...
Add to Cart
Digital Seawater Refractometer MA887 - Milwaukee

Milwaukee Instruments

Digital Seawater Refractometer MA887 - Milwaukee

$114.00
This refractometer does not come with a case or battery. The new Milwaukee MA887 Seawater Digital Refractometer encompasses 3 different types of user selected scales for the measurement of seawater providing for a much more precise evaluation. Each...
Add to Cart
Calcium Test Kit - API

API

Calcium Test Kit - API

$11.59
Calcium Test Kit Calcium is one of the most important elements in a reef aquarium. Reef invertebrates such as corals, crustaceans, mollusks and even some types of encrusting algae need calcium to grow and remain healthy. Over time, calcium levels drop...
Add to Cart
Out of Stock
Nitrate (NO3) Reefer Test Kit 40 Tests - NYOS Aquatics

NYOS

Nitrate (NO3) Reefer Test Kit 40 Tests - NYOS Aquatics

$24.99
NITRATE REEFER NYOS® REEFER test kits - taking measurements at the laboratory level at an attractive price Water properties as close to nature are the key for every aquarium's success. However, monitoring relevant parameters in seawater is...
Out of stock
Digital Thermometer - Coralife

Coralife

Digital Thermometer - Coralife

$9.99
Attaches to aquarium via small suction cup    3 foot long temperature probe for large size aquariums    Battery included    Ideal for aquariums and terrariums    Readings to 0.1-degrees...
Add to Cart
PINPOINT pH 10.0 Calibration Fluid (5 Pack)

American Marine

PINPOINT pH 10.0 Calibration Fluid (5 Pack)

$5.95
PINPOINT® High-Precision pH Calibration Fluids come in plastic envelope packets and are extremely accurate and field portable. Each packet contains ample fluid for calibration (about 30 ml). There is a free sample of these included with each...
Add to Cart
Phosphate Test Kit (150 Tests) - API

API

Phosphate Test Kit (150 Tests) - API

$12.59
Phosphate can enter your aquarium through tap water, fish waste, and decaying organics such as uneaten food and dead algae.   Excess phosphate contributes to unsightly algae blooms.   This kit tests phosphate levels from 0 to 10 ppm in...
Add to Cart
Salifert Master Reef Testing Combo Kit - Salifert

Salifert

Salifert Master Reef Testing Combo Kit - Salifert

$99.99
Six Salifert Professional Test Kits Includes Calcium, Nitrate, Phosphate, pH, Alkalinity & Magnesium Includes all the Core parameters of any Saltwater Aquarium/Marine Reef Tank Salifert Nitrate Test Kit - 50 Tests, Salifert Calcium Test...
Add to Cart
Calcium Pro Test Refill - Red Sea

Red Sea

Calcium Pro Test Refill - Red Sea

$17.99
Refill contains all reagents used in the Red Sea calcium test kitCalcium, an essential component in the building of coral skeletons, is constantly depleted from the aquarium and needs to be monitored on a regular basis. Calcium Pro is an advanced calcium...
Add to Cart
Ammonia (NH3) Test Kit - Salifert

Salifert

Ammonia (NH3) Test Kit - Salifert

$13.99
For Fresh and Saltwater Ammonia and ammonium are substances which should be converted rapidly into nitrite followed by nitrate and nitrogen gas.If this does not happen then the aquarium is not fully cycled or biological processes are not proceeding as...
Add to Cart
Out of Stock
7.00 pH Calibration Fluid (Single Pack) - Neptune Systems

Neptune Systems

7.00 pH Calibration Fluid (Single Pack) - Neptune Systems

$1.95
Neptune Systems single-use pH calibration packets make calibrating your pH probe simple and fast. Just tear open the top, and a stick your probe into the solution when performing the calibration procedure.  Over the course of a couple months, it is...
Out of stock
pH Test Kit - Salifert

Salifert

pH Test Kit - Salifert

$10.92
If the pH is too low then the cause may be a too low alkalinity and/or insufficient aeration. A low pH can be corrected by improving aeration and by increasing the alkalinity to NSW (Natural seawater) value or upto approx 25% above NSW levels. The...
Add to Cart
KH/Alkalinity Pro Test Refill - Red Sea

Red Sea

KH/Alkalinity Pro Test Refill - Red Sea

$17.99
Reagent alkalinity pro refill test kit is an advanced titration test Measuring the level of buffers in reef aquarium to an exceptionally high accuracy of 0.05 meq/l (0.14 dkh) This test refill replenishes KH/alkalinity pro test kit with sufficient...
Add to Cart
Nitrate Test Kit (90 Tests) - API

API

Nitrate Test Kit (90 Tests) - API

$11.59
The API Nitrate Test Kit will allow you to accurately and easily measure the nitrate level and provides steps to remove it. Kit includes 2 liquid droppers, instructions on how to test and correct water conditions, a glass test tube, and 2 colors charts...
Add to Cart
Magnesium Pro Test Refill - Red Sea

Red Sea

Magnesium Pro Test Refill - Red Sea

$17.99
Red Sea’s Magnesium Pro Test Kit is an advanced titration test, measuring the level of magnesium in your reef aquarium to an exceptionally high accuracy of 20 ppm. The Magnesium Pro Test test kit enables the accurate dosing of Red Sea’s...
Add to Cart
Nitrite (N02) Test Kit - Salifert

Salifert

Nitrite (N02) Test Kit - Salifert

$14.99
Features:Nitrite is a substance that is toxic to fish and invertebrates.It is a misconception that once a tank is through its cycle (first 3 or 4 weeks) that nitrite has vanished.Many nitrite test kits suffer from interference by amines (such as...
Add to Cart
Out of Stock
7.00 pH Calibration Fluid (5 Pack) - Neptune Systems

Neptune Systems

7.00 pH Calibration Fluid (5 Pack) - Neptune Systems

$9.75
Neptune Systems single-use pH calibration packets make calibrating your pH probe simple and fast. Just tear open the top, and a stick your probe into the solution when performing the calibration procedure.  Over the course of a couple months, it is...
Out of stock
HI780 Saltwater pH Checker - Hanna Instruments

Hanna Instruments

HI780 Saltwater pH Checker - Hanna Instruments

$49.95
Get accurate water testing results with the HI780 Marine pH Colorimeter. With a digital read out, there is no more struggling to determine colors visually. This pH tester's compact design fits in your pocket or stores easily in your shop. Easier to...
Add to Cart
10.00 pH Calibration Fluid (5 Pack) - Neptune Systems

Neptune Systems

10.00 pH Calibration Fluid (5 Pack) - Neptune Systems

$9.75
Neptune Systems single-use pH calibration packets make calibrating your pH probe simple and fast. Just tear open the top, and a stick your probe into the solution when performing the calibration procedure.  Over the course of a couple months, it is...
Add to Cart