Jungle quick dip test strips measure the ammonia level of both fresh and saltwater aquariums. The test strips are designed from the same technology used in medical and science laboratories, giving you fast and accurate results. Quick Dip Test Strips are safe, nontoxic and simple to use. Just dip and read results in seconds. Testing your aquarium water has never been easier. Test for ammonia when: setting up aquarium or making water changes tap water contains chloramine fish breathe rapidly dart around the tank stop eating or die without visible symptoms.