Test strips for quick aquarium water testing – Test strips for testing 6 important water values in 1 minute: quick test for aquarium, pond, well and tap water. – Easy to use: dip into the water for 2-3 seconds, take it off, drain off in a horizontal position. Compare after 1 minute. – Determination of following values; chlorine, acidity (pH), general hardness (GH), nitrite (N02), nitrate (N03) and carbonate hardness (KH). – Quick test to outline the water conditions – orientation test in 1 minute. – 1 x test strips Easy Test 6 in 1 with colour scale. 50 test strips.