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Good morning! I would like to check my water parameters (ammonia , nitrites , nitrates, etc.) without relying on other peoples help. Do any of you know of testing equipment for color blind individuals? The digital meters are pretty pricey and I don't know how accurate or reliable they are. Any suggestions?
I like the Hach DR/890 and DR/900 colorimeters. You can get them on eBay for way less than MSRP. They're accurate enough to be EPA-certified for many tests. I'm not colorblind but I do have trouble with the yellow/green of the ammonia test and I wanted a nitrate test that was better than the cadmium reduction test.
Thank you I will look into them.
WOW! They are expensive.
I bought a new in box DR/900 off of eBay for $400 with some reagents included. Prior to buying my first DR/890 years ago, I used LaMotte tests which are now around $90 each.