Great Aquariums Start Here
1-800-566-3474
Live Chat Support
    Free Shipping On $75+
  • FREE Shipping On $75+
  • 14-Day Low Price Guarantee
  • 14-Day Low Price Guarantee
  • Same Day Shipping
  • Same Day Shipping
FREE Shipping on
Orders Over $75
Standard ground shipping (1-7 business days) starts at a low $4.99 and most orders over $75 ship FREE. Learn More
 
If you find a product we sell for a lower price at another online store, we will match their price—today and up to 14 days after you've purchased the item! Learn More
 
Same Day Shipping
We promise to ship your order as fast as humanly possible. In fact, 99% of orders placed before 6 pm EST ship the same day! Learn More
 
Search Results for Saltwater Aquarium Supplies > Test Kits
Show: per page
Grid View Grid List View List
Sort by:
51 - 75 of 81
Seachem Laboratories Multitest: Iodine & Iodide Test Kit

Seachem Laboratories 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...

$13.49
LaMotte KH/Alkalinity Test Kit 4491- DR-01 / Direct Reading Titrator Method

LaMotte KH/Alkalinity Test Kit 4491- DR-01 / Direct Reading Titrator Method

Direct reading titrator for Total Alkalinity. Range is from 0-200ppm with sensitivity in 4.0 ppm increments. Approximately 50 tests. These kits are part of an ongoing effort by the LaMotte Company Research and Development team to...

$35.99
LaMotte Nitrate Test Kit Reagent Refill

LaMotte Nitrate Test Kit Reagent Refill

LaMotte Nitrate Test Kit Reagent Refill Octa-Slide. Scale is 0.25, 0.5, 1.0, 2.0, 4.0, 6.0, 8.0, 10.0 ppm Nitrate Nitrogen. 50 tests These kits are part of an ongoing effort by the LaMotte Company Research and Development team...

$32.49
Red Sea Phosphate/PO4 Pro Test Kit - 100 Tests

Red Sea Phosphate/PO4 Pro Test Kit - 100 Tests

Red Sea’s Phosphate Pro Test Kit is an advanced colorimetric test with comparator, measuring the level of phosphate in your reef aquarium to an exceptionally high accuracy of 0.02ppm PO4. Phosphate Pro Test Kit, when used in co...

$45.99
Seachem Laboratories Multitest: Iron Test Kit

Seachem Laboratories Multitest: Iron Test Kit

SeaChem Multitest: Iron Test Kit This kit measures iron in freshwater or marine water to less than 0.05 mg/L. Can also measure chelated iron. multi-cavity plate for simultaneous testing of up to 6 tests at the same time ...

$13.49
Seachem Laboratories Reef Status: Magnesium, Carbonate, Borate, Alkalinity Test Kit

Seachem Laboratories Reef Status: Magnesium, Carbonate, Borate, Alkalinity Test Kit

SeaChem Reef Status Magnesium Testing (includs tests for Borate and Carbonate) Four kits in one! Tests for magnesium through a titration based procedure in increments of 12.5 mg/L. Tests for carbonate alkalinity, borate alka...

$35.99
Seachem Laboratories Multitest: Phosphate Test Kit

Seachem Laboratories Multitest: Phosphate Test Kit

SeaChem Multitest: Phosphate Test Kit This kit measures inorganic phosphate down to 0.05 mg/L, producing a unique easy to read yellow-green-blue color range in marine and freshwater. multi-cavity plate for simultaneous test...

$13.49
Seachem Laboratories Reef Status: Calcium Test Kit

Seachem Laboratories Reef Status: Calcium Test Kit

SeaChem Reef Status Calcium Test Kit This kit measures all types of calcium, including gluconate calcium. The method is based on specific titration with a unique indicator. 150 titration tests for calcium rapid & sim...

$29.49
Salifert Copper Test Kit

Salifert Copper Test Kit

Salifert Copper Profi-Test Copper is often used as a treatment for parasite infested fish and it is essential that the correct concentration is used as too high levels can be toxic to marine fish and invertebrates. Tap ...

$17.91
API Ammonia Aquarium Test Strips

API Ammonia Aquarium Test Strips

Measures ammonia levels from 0 to 6 ppm in fresh or saltwater in one easy step.  Just dip & read! 25 ct

$13.99
Tropic Marin KH Saltwater Test Kit

Tropic Marin KH Saltwater Test Kit

For the determination of the carbonate hardness or the alkalinity in seawater. The carbonate hardness or alkalinity corresponds to the buffer capacity of the aquarium water and therefore determines the stability of the pH-value i...

$11.49
Tropic Marin Expert Test Kit Set

Tropic Marin Expert Test Kit Set

For the determination of vital water values in seawater aquaria. This set contains important tests for a fast and accurate determination of specific water values, which have a decisive effect on the well being of fish and inverte...

$57.49
Elos Aqua Test Kit - Ammonia/Ammonium

Elos Aqua Test Kit - Ammonia/Ammonium

ELOS AQUA TEST KIT- AMMONIA Ammonia is the most lethal form of inorganic nitrogen produced in aquarium water. The major source of ammonia in a well run aquarium is from solid waste from fish and invertebrates, uneaten food, dec...

$20.99
Seachem Laboratories Multitest: Silicate Test Kit

Seachem Laboratories Multitest: Silicate Test Kit

SeaChem Multitest: Silicate Test Kit This kit measures silicates down to 0.5 mg/L in marine or freshwater. multi-cavity plate for simultaneous testing of up to 6 tests at the same time sensitive to less than 0.5 mg/...

$13.49
LaMotte Nitrate Test Kit 3110

LaMotte Nitrate Test Kit 3110

Octa-Slide. Scale is 0.25, 0.5, 1.0, 2.0, 4.0, 6.0, 8.0, 10.0 ppm Nitrate Nitrogen. 50 tests These kits are part of an ongoing effort by the LaMotte Company Research and Development team to produce new test methods and kits that ...

$86.99 $73.99
Red Sea Phosphate Pro Test Kit - Reagent Refill Kit

Red Sea Phosphate Pro Test Kit - Reagent Refill Kit

Red Sea’s Phosphate Pro Test Kit is an advanced colorimetric test with comparator, measuring the level of phosphate in your reef aquarium to an exceptionally high accuracy of 0.02ppm PO4. Reagent Refill Kit Only - Includes reagen...

$23.49
Red Sea Potassium Pro Test Kit - Reagent Refill Kit

Red Sea Potassium Pro Test Kit - Reagent Refill Kit

Red Sea’s Potassium Pro Test Kit is a unique advanced titration test, measuring the level of potassium in your reef aquarium to a high accuracy of 3 ppm. Reagent Refill Kit Only - Includes reagents only to perform 40 aquarium w...

$27.99
Seachem Laboratories MultiTest: Reef Special Test Kit

Seachem Laboratories MultiTest: Reef Special Test Kit

This kit combines the Phosphate, Silicate, and Iodine/Iodide kits into one kit. (phosphate, silicate, iodide MultiTest Kit) multi-cavity plate for simultaneous testing of up to 6 tests at the same time includes referenc...

$33.49
Salifert Silicate Test Kit

Salifert Silicate Test Kit

Salifert Silicate Profi-Test Silicate occurs in tap water or purified water when the reverse osmosis or de ionizing unit is not functioning properly. Silicate can result in diatom bloom and can block some essential trace e...

$23.22
Elos Professional Aqua Test Kit - Phosphate

Elos Professional Aqua Test Kit - Phosphate

ELOS AQUA TEST KIT- PHOSPHATE Phosphate (PO4) build up in aquariums appears to be a fairly common problem in freshwater and saltwater aquariums. They are present in most tap water supplies and are also introduced to aquarium wa...

$47.99
Seachem Laboratories Reef Status: Strontium Test Kit

Seachem Laboratories Reef Status: Strontium Test Kit

SeaChem Reef Status Strontium Test Kit This kit measures strontium by first seperating the strontium in the sample by a chemical precipitation and filtration, followed by a sensitive titration in 0.5 mg/L increments. Now use...

$45.99
Red Sea Iodine Pro Test Kit - Reagent Refill Kit

Red Sea Iodine Pro Test Kit - Reagent Refill Kit

Red Sea’s Iodine Pro Test Kit is a unique test, measuring the level of total iodine in your reef aquarium to a high accuracy of 0.01 ppm. Reagent Refill Kit Only - Includes reagents only to perform 50 aquarium water tests with ...

$19.99 $14.99
NYOS REEFER Test Kit - Magnesium

NYOS REEFER Test Kit - Magnesium

High sensitivity seawater magnesium test kit easy conversion factor accurately to 15mg/l precise dosing tip precise colour change separate indicator and titration solution Technical Details Number of Tests:50 NY...

$19.99
LaMotte Phosphate Test Kit Reagent Refill

LaMotte Phosphate Test Kit Reagent Refill

LaMotte Phosphate Test Kit Reagent Refill Octet Comparator with Axial Reader. Scale is 0.0, 0.2, 0.4, 0.6, 0.8, 1.0, 1.5, 2.0 ppm PO4. 50 tests. These kits are part of an ongoing effort by the LaMotte Company Research and Deve...

$31.49
51 - 75 of 81
Add to Cart or Notify Me
This item is temporarily unavailable but will be back in stock soon.


Item #
Price:
Click the Add To Cart button below if you'd like to reserve this item today. Any other items included in your order will be immediately processed and shipped. We will ship this item separately as soon as it arrives. We will not charge you for this item until it ships and you will incur no additional shipping charges.
Enter your email address in the field below and click the Notify Me button if you'd like us to send you an email when this item becomes available. Although you will be immediately notified when we have stock on hand, we will not reserve any units for you; you must return to our website and place an order.

Notify Me
Just enter your email address below and we'll let you know when the product you are looking for becomes available!


Item Code:
Price:
Your Email:
WIN A $271 API PRIZE PACK! Sign up for our best deals, video tutorials + a chance to win an API filter, media, and test kits!