Best copper test.

[GTR]

Yes I've done a search.
Used all the hobby tests and I'm not satisfied with my ability to safely monitor the levels using any of them.

I've used Hach in the past and its better. Any other suggestions? Photometer perhaps?, I might fit that into the budget seeing how important it is.

[solitude127]

I'm currently using a Sera test with Coppersafe and am happy with it. I use it in conjuction with Salifert to double check. I've heard good things about LaMotte but out of my budget

[Spar]

i used to use the seachem copper test and i guess i liked it ok. i just find that the color variations are more difficult to read than i would prefer them to be...