JBL ProAquaTest CO2 Direct Refill Simple and safe monitoring of aquarium water parameters. Determination of the optimal carbon dioxide content in freshwater aquariumsUse: fill the plastic test tube with water to be tested, add the reagent drop by drop until stable pink coloring. Number of drops x 2 = CO2 content in mg/lUse in case of no or poorly...

JBL ProAquaTest K Potassium Refill For perfect plant growth: determine the optimal potassium level to control fertilization in freshwater aquariumsQuick test: fill a test tube with test water, add the reagents, pour the cloudy test water into the special test tube until the cross on the bottom is no longer visible, read off the amount filled. This...

JBL ProAquaTest NO3 Nitrate Determine the nitrite level for optimal plant growth or the origin of algae in fresh and salt water. Comparative laboratory system to compensate for clean water coloring: fill test tubes with water to be tested, add reagents to a test tube, place test tubes in the holder block, read the values on the color chart. Use:...

MULTI-TEST CU- Multi-cavity plate to simultaneously perform up to 6 tests at the same time. Includes a reference for test validation. Each kit allows for over 75 tests. Fresh and salt water. Color chart. All MultiTest test kits come with an easy-to-read color chart. It has a 5 cm viewing window to help isolate the color and match the test sample as...

MULTI-TEST IODE- Multi-cavity plate to simultaneously perform up to 6 tests at the same time. Includes a reference for test validation. Each kit allows for over 75 tests. Fresh and salt water. Color chart. All MultiTest test kits come with an easy-to-read color chart. It has a 5 cm viewing window to help isolate the color and match the test sample...

MULTI-TEST SILICATE- Multi-cavity plate to simultaneously perform up to 6 tests at the same time. Includes a reference for test validation. Each kit allows for over 75 tests. Fresh and salt water. Color chart. All MultiTest test kits come with an easy-to-read color chart. It has a 5 cm viewing window to help isolate the color and match the test...

MULTI-TEST PH- Multi-cavity plate to simultaneously perform up to 6 tests at the same time. Includes a reference for test validation. Each kit allows for over 75 tests. Fresh and salt water. Color chart. All MultiTest test kits come with an easy-to-read color chart. It has a 5 cm viewing window to help isolate the color and match the test sample as...

MULTI-TEST PO4- Multi-cavity plate to simultaneously perform up to 6 tests at the same time. Includes a reference for test validation. Each kit allows for over 75 tests. Fresh and salt water. Color chart. All MultiTest test kits come with an easy-to-read color chart. It has a 5 cm viewing window to help isolate the color and match the test sample...

MULTI-TEST FE- Multi-cavity plate to simultaneously perform up to 6 tests at the same time. Includes a reference for test validation. Each kit allows for over 75 tests. Fresh and salt water. Color chart. All MultiTest test kits come with an easy-to-read color chart. It has a 5 cm viewing window to help isolate the color and match the test sample as...

MULTI-TEST NO2 AND NO3- Multi-cavity plate to simultaneously perform up to 6 tests at the same time. Includes a reference for test validation. Each kit allows for over 75 tests. Fresh and salt water. Color chart. All MultiTest test kits come with an easy-to-read color chart. It has a 5 cm viewing window to help isolate the color and match the test...

MULTI-TEST NH4- Multi-cavity plate to simultaneously perform up to 6 tests at the same time. Includes a reference for test validation. Each kit allows for over 75 tests. Fresh and salt water. Color chart. All MultiTest test kits come with an easy-to-read color chart. It has a 5 cm viewing window to help isolate the color and match the test sample...

PH ALERT TEST PERMANENT PH No tests, no strips. Lasts up to 4 times longer than competitive products. Continuously monitors pH in freshwater. pH Alert is a unique color-changing sensor designed to be placed in the aquarium or filter to continuously monitor pH. A sensor reversibly changes color from yellow to orange to red alerting you to pH changes...