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Hanna checkers

drevalenz

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I have a couple extra Hanna testers available.

Calcium (new style) 40
Alkalinity dkh -40
I also a phosphate ppm- 35

Both will need new reagents

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Last edited:

Keeping it clean: Have you used a filter roller?

  • I currently use a filter roller.

    Votes: 42 31.1%
  • I don’t currently use a filter roller, but I have in the past.

    Votes: 5 3.7%
  • I have never used a filter roller, but I plan to in the future.

    Votes: 34 25.2%
  • I have never used a filter roller and have no plans to in the future.

    Votes: 48 35.6%
  • Other.

    Votes: 6 4.4%
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