Yeah, and the probes only last so long. I have one it's a complete paperweight. The replacement probe costs $200 so paperweight it stays for now. Not really a huge fan of the probe, takes 5 to 10 minutes to get a solid reading where it doesn't bounce around. I don't think the science is there personally.
Think Hanna makes a colorimeter for nitrates but don't get me started on the PO4 version. Hated that thing too.
And I hate test kits.
It's really a case of pick your poison.
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-- Tony
My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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