I figured I would order my test kit while the pool is under construction to make sure that I had it if the pool ever gets done . So I understand how to use it - I was going to use it to test my aquarium (freshwater) - it should work for PH and hardness right?

I have been using the test strips on the aquarium and recently I have gotten a low PH reading (really wierd, b/c normally I have to lower the PH), but it still tests the tap water correctly- so I was going to buy a drops kit to verify the readings, but figured I could save the money by purchasing Ben's kit and using if for that as well.