RODI with hi po4 readings

[Balistikb]

So I tested again with the salt and I have a Hanna reading of .05. I am going to test again tomorrow.
The only difference this time is that I didn't' have the circulation pump running when I collected the water for the test.

 

[Damon]

So I tested again with the salt and I have a Hanna reading of .05. I am going to test again tomorrow.
The only difference this time is that I didn't' have the circulation pump running when I collected the water for the test.

Not surprising to be honest. I don't want to say any particular salt(not wanting to bag anyone) , but you will find, as you are now that even though they say they don't, there is definately phosphate in some of them. It just depends how much.

It's pretty much like anything else, until you start investigating, you really don't know where our how to focus your attention.

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