API manufacturer a range of test kits including this complete testing set for ponds. By regular testing of your pond water you can help maintain a healthy pond and spot any potential problems early.
This API pond master test kit includes over 500 tests and covers the main water parameter important in ponds which include pH, ammonia, nitrite and phosphates.
Full step by step instructions are included with a guide on reading the results of the test and how to correct unsafe water conditions.