Any idea on why my freshly mixed saltwater would have .4 phosphate
Phosphate
- Thread starter Ramone hemmings
- Start date
Check your ro water
tds is 0
That means nothing honestly. Test for phosphate
What would I need to change if it does have phosphates
I would replace the DI resin.
Does your RODI system have a pressure gauge?
Great catch by the op!
Also, all good advice!
That said, 0.4 is kind of a lot of phosphate.
The EPA limits discharge waters to 0.1ppm to avoid accelerated eutrophication. So, if your water company discharged what you seem to be getting, the water company could be fined. I’m thinking it can’t be that high...?
What test are you using.
Also, all good advice!
That said, 0.4 is kind of a lot of phosphate.
The EPA limits discharge waters to 0.1ppm to avoid accelerated eutrophication. So, if your water company discharged what you seem to be getting, the water company could be fined. I’m thinking it can’t be that high...?
What test are you using.
Yes I get around 60 psi
Hanna
How long has it been since you changed the filters, membrane and DI resin?
Have you run any follow up tests to confirm the 0.4?
Yes and just check about 7/8 months Yikes
That's not too bad if you don't make a lot of water. If you make decent volumes then they may be getting too old. The di could also be releasing it as it picks up something with a higher charge. I saw this with silicates in Gwinnett, haven't see that happen with phosphates but it's possible.
di is brown at bottom
I don't think it's coming from the tap that high either. The di doesn't have to be completely color changed to release molecules with a lower charge as it pics up higher charged ones. Silicates are near neutral so they go first. BRS has some good videos on this.
Rodi water is 0 phosphate
Freshly mixed saltwater also zero
Only leaves storage container water in there is .40 phosphate
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If you have some citric acid, or know someone that does, I would give it a rinse with 5% citric a couple times. Followed by fresh DI rinse. Then see what you have.
Sometimes, plastic manufacturers use a mold release agent to help get the polymer to release after molding.
I've got some, but I'm nowhere near Conyers.
Sometimes, plastic manufacturers use a mold release agent to help get the polymer to release after molding.
I've got some, but I'm nowhere near Conyers.
I did a quick search and this is just one below.
Also, zinc phosphate is a common surfacing alloy.
www.chempoint.com
Also, zinc phosphate is a common surfacing alloy.
ZELEC® Acid Alcohol Phosphate, Stepan Specialty - ChemPoint
ZELEC® Acid Alcohol Phosphates are efficient internal mold release agents for polyester molding and excellent antistatic agents for coatings.
