PondCare® 5-In-1 Test Strips The new PondCare 5-In-1 Dip Strips provide distinct variations between colors on the color charts for Easy-To-Read results. The desiccant liner on the container keeps the strips dry maintaining product stability and extending the shelf life. Part of a complete testing lineup from PondCare! Highly precise color charts - No separate test vial require- dip strip directly into the pond-East-To-Read directions and product recommendations. The 5 & 1 Test Strips will test: pH, Nitrate, Nitrite, Carbonate Hardness and general hardness.