- Joined
- Sep 17, 2017
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- 503
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- What state or country do you live in
- California
hello everyone. Need help figuring out the result from my salifert po4 test kit. I used API back in the days but its not accurate when it comes to Po4. Can you please tell me if the result is 0.00ppm or 0.03ppm. TYIA!

