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Re: [APD] Are all GH tests red/green?

mines blue pink
it's red sea

Jerry Baker wrote:

>Being that I am red/green colorblind, Tetra's GH test kit is useless to 
>me. Are there any GH test kits that do not change from red to green or 
>vice versa? The KH kits works for me just fine, but the GH might as well 
>change from clear to clear.
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