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...

ALERT COMBO PACK 1 AN Seachem sensor technology. Continuously monitors ammonia and pH in freshwater. No test, no strip. One-year shelf life Ammonia Alert and pH Alert feature a sensor that reversibly changes color in response to changes in freshwater ammonia and pH levels. Place them in your aquarium and access your values instantly. No chemicals...

Schego titanium heater 50w The titanium heating elements from Schego are the optimum supplement to the temperature controller TR 1000. Their power range extends from 50 to 600 watts. They are manufactured from high-quality titanium tube, therefore indestructible and sea water-proof. All Schego titanium heating elements are grounded and correspond to the high...