Magic Kiwi's Tank Journal Thread

[Magickiwi]

Originally Posted by Reef Pilot

I use the Hanna phosphate checker and found it to be very accurate and consistent. The trick is to be sure your vial is clean (no fingerprints or smudges) and mix the colour solution for close to the max time (3 mins). Also be sure to press and hold the Add C2 or you won't get the full 3 min countdown. If you just press and release, you will get a reading but it may not be accurate.

Like you, I found the other chemical tests reading zero while the Hanna read higher. But as my phosphates dropped further, the Hanna also consistently read zero. So I believe the Hanna.

That's fair enough and if it works for you then awesome. I am dubious about how well it is working for me though.

I always use the same vial. When I clean it I soak it in vinegar to remove any mineral deposits and the soak and rinse in RO/DI water. I do use the timer on the checker. I don't normally mix for three minutes, just two or so.

Well I guess I will just swap out the POx4 frequently, although I might just switch back to the Rowaphos. Just don't see how the tests are always higher then lower then higher still etc.