Aquarium systems strip testr a new range of test kits from aquarium systems that accurately test your pondaquarium waterr simply dip the test in the water and then read the resultsr tests forr nitrater nitriter phr total hardnessr carbonate hardnessr chloriner containsr 50 tests stripsr water resistant tube for storing with colorimetric scaler directionsr 1 immerse the strip in the water for 5 secondsr 2 shake it the strip to remove excess waterr 3 compare the results f