Po4 ulr checker PPB number confusion

[RogueGrown]

As I know you take your results multiply by 3.066 divide by 1000. Now my question as this raises confusion to me. When I tested in the 170s PPB I had a guy tell me that it was not bad but could be lower. I tested tonight at 109 PPB, that come to 0.334194. What does this tell me? Am I still way off of what I want?

I know some of you have the ULR checker to a science as you hit low numbers all year long, what are "low" PPB numbers?


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[ReefGuy]

109ppb = 0.109ppm.
For reef aquarium u want level below 0.03ppm so get a reading of 30 or below on ur ulr checker then ur good to go.

[sonubhai]

So you went down form .5 to .3 it's a good step forward. In ideal conditions po4 is less then .03. but that is just a number people have had great looking tanks for more or less po4. Keep up with water changes maybe add a bag of chemo pure blue. Just my opinion

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[Potatohead]

Actual reading of between about 5 and 20 on the checker is where you want to be.

[ReefGuy]

A reading of 107 may not be too bad depends of what kind of coral or critters ur keeping. If strict SPS then u want 30 or below.

[ReefGuy]

A reading of 109 I meant.