Hanna Checker for water analysis

Has anyone tried the Hanna Checker devices for their water analysis.

Looks like it uses colorimetric measurements to give 'fool-proof' measurements of things like Alkalinity, Phosphates, Chlorine and Iron.

At $50 for each tester, it doesn't look half-bad if you need to test your water regularly.

I'm always amazed at what these people come up with at the price. No I don't use any of these but I do use several colorimetric methods for water parameters. Poking around the we site it appears they are still vapourish. I'm also arching an eyebrow over the fact that they have separate ones for total and free chlorine since the colorimetry is the same though the chemistry for total includes some potassium iodide.

scratch the alkalinity checker from the list. It was designed for saltwater aquariums, and has been removed from the beer product line.

At $50 for the checker plus supplies, it seems high compared to many test kits.