Aquarium Test Strip 6-in-1

Tetra test products allow simple and precise measurements of water quality values in freshwater and marine aquaria. All tests are calibrated using the most up-to-date laboratory equipment, and produced according to the highest international standards|Test strips that allow the testing of 6 water quality parameters in 60 seconds|Test six important water values in just one step: general and carbonate hardness (GH + KH), nitrite (NO2), nitrate (NO3), pH value and now also chlorine|Ideal for novice fishkeepers, or where frequent water testing is needed|For freshwater aquaria