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I have a feeling that my KH test is no good. The brand I have is Aquarium Pharmaceuticals. I know they are a good brand. I am going to get another GH/KH test kit this week. I would like to get another brand, but I don't know if the others are as good as AP. Of these brands, which one would be more reliable: Hagen, Tetra, NutraFin??

Or should I just get another AP test?

*Kristin*

tetra all the way give them a try

Hagen is usually considered the top of the freshwater test kits. I've never had any trouble though with my aquarium pharm kh test. It's not the easiest of their tests to read but was always accurate and much better than the tetra kh test I tried. Practically all the tetra tests I've had were the biggest pain to read and many of them weren't detailed enough. My choice for freshwater would be to stick with aquarium pharm but if I had money to burn and wanted something more accurate and detailed I'd get hagen test kits.

Alright thanks. I have never had problems with the AP either, until now. My KH results don't match the pH. That's why I think its off. I remember when I first got the KH/GH kit and my results were much higher than I'm getting now for the KH.

I may go with the Hagen test, just because its a different brand. If it is more accurate, that's what I want. Something to compare the results I'm getting now with.

Thanks for your suggestions./:'

*Kristin*

API is the best, just try another. Get them at the website www.bigalsonline.com. It's great, with ultra fast shipping.

Hi,
I'm not sure I understand your comment about pH matching
the GH/KH readings. I use their freshwater "Master Test"
kit and also purchased their Nitrate test kit. If you
purchase from a small LFS, they may have had the kit on
the shelf for quite some time and the reagents could be
out of date. I generally get mine at the local PetsMart
where there is a faster turnover and I'm more liable to
get a "fresh" kit. Always store test kits in a cool, dry,
dark, place as heat, light, and humidity will affect them.
Test strips are THE worst as they are subject to all of the
caviats while heat and light will affect the AP kits.

Frank


-->>> The Confidence of Amateurs, is the Envy of Professionals <<<--

How is it that KH and pH don't match up? I've had pH and high range pH not matching up before, but that was fixed. However, KH and pH are 2 different things, and it isn't possible for them not to match up.