Copper in RODI

[lynn.reef.nerd]

I'm currently on Well Water and the latest ATI test of my rodi is showing some copper.

Is this level safe or is there something I should do to remove this before addition to tank.

Thank you.

 

[iamacat]

RODI should remove copper. I recently had a new well drilled and my DI resin got obliterated quick. I would check your resin to see if it is exhausted. I had to add 2 additional DI canisters for a total of 3. I never tested for copper, just had an elevated TDS

I also had bad luck with copper back in the day. Cuprisorb wouldn’t hurt to run. I’m not smart enough to interpret that lab value tho. I just wouldn’t want to see it in my ICP

 

[lynn.reef.nerd]

RODI should remove copper. I recently had a new well drilled and my DI resin got obliterated quick. I would check your resin to see if it is exhausted. I had to add 2 additional DI canisters for a total of 3. I never tested for copper, just had an elevated TDS

I also had bad luck with copper back in the day. Cuprisorb wouldn’t hurt to run. I’m not smart enough to interpret that lab value tho. I just wouldn’t want to see it in my ICP

It deplete my anion like crazy but I'll do a new swap and maybe add a couple more di resin.

 

[iamacat]

It deplete my anion like crazy but I'll do a new swap and maybe add a couple more di resin.

You’ve got a rad operation going on with that fish shed! Love it

 

[Randy Holmes-Farley Verified Community Expert]

Can you post the rest of the analysis?

 

[lynn.reef.nerd]

Can you post the rest of the analysis?

 

[WarChief]

I'm currently on Well Water and the latest ATI test of my rodi is showing some copper.

Is this level safe or is there something I should do to remove this before addition to tank.

Thank you.

Burn it all to the ground and start over! And give me the corals first!

 

[Randy Holmes-Farley Verified Community Expert]

That must be after RO/DI? Doesn't look like raw well water.

 

[lynn.reef.nerd]

That must be after RO/DI? Doesn't look like raw well water.

Yes, after 7 stage.

 

[Randy Holmes-Farley Verified Community Expert]

Yes, after 7 stage.

Was it 0 ppm TDS after it?

How many DI stages?

 

[lynn.reef.nerd]

Was it 0 ppm TDS after it?

How many DI stages?

I can check the TDS again when I get home. If I remember correctly, around 0-2 but not certain as of right now.

3 DI (1 mix, 1 anion, 1 cation)

 

[Randy Holmes-Farley Verified Community Expert]

I can check the TDS again when I get home. If I remember correctly, around 0-2 but not certain as of right now.

3 DI (1 mix, 1 anion, 1 cation)

I'd try to keep it at zero with the potential for copper. Flushing any copper pipes before starting the DI may also help, if it is dissolving copper from your pipes.

 

[lynn.reef.nerd]

I'd try to keep it at zero with the potential for copper. Flushing any copper pipes before starting the DI may also help, if it is dissolving copper from your pipes.

Is the current concentration of copper a cause for concern?

 

[jda]

I would send for a different test before you do much other than maintain your RODI.

 

[Randy Holmes-Farley Verified Community Expert]

Is the current concentration of copper a cause for concern?

That’s a hard to answer question since it may accumulate.

 

[joe waring]

Hi Lynn I have a question about torches. I consider you an expert so hopefully you can field this question. Every time i look into a torch thats supposedly yellow it turns out to he green. Same with hammers. Any advice as to how I can find one that is really yellow? Thanks in advance.

 

[californiarob]

I can check the TDS again when I get home. If I remember correctly, around 0-2 but not certain as of right now.

3 DI (1 mix, 1 anion, 1 cation)

I'd try to keep it at zero with the potential for copper. Flushing any copper pipes before starting the DI may also help, if it is dissolving copper from your pipes.

hey all.... i live on well water also and have the similar issue during the summer months with high copper, I installed a 2nd RO unit to my RO/DI and solved the problem, I did research and RO is really the only way to reduce it to 98%, the DI resins don't work on copper from what I have read, you can actually go on the BRS site and see the Positive Cation Resin & Negative Anion Resin and what they remove... no Copper on the list

 

[Randy Holmes-Farley Verified Community Expert]

hey all.... i live on well water also and have the similar issue during the summer months with high copper, I installed a 2nd RO unit to my RO/DI and solved the problem, I did research and RO is really the only way to reduce it to 98%, the DI resins don't work on copper from what I have read, you can actually go on the BRS site and see the Positive Cation Resin & Negative Anion Resin and what they remove... no Copper on the list

That is wrong. Copper from potable water is removed by di.

 

[californiarob]

That is wrong. Copper from potable water is removed by di.

I use Cuprisorb in all my tanks to make sure, I noticed they compete with products that have Cation Resins, I do notice my Cation depleted very quick during the summer months, but when I added the 2nd RO years ago there was a huge drop in Copper.... not a chemist ... just a hobbyist

 

[Randy Holmes-Farley Verified Community Expert]

I use Cuprisorb in all my tanks to make sure, I noticed they compete with products that have Cation Resins, I do notice my Cation depleted very quick during the summer months, but when I added the 2nd RO years ago there was a huge drop in Copper.... not a chemist ... just a hobbyist

I can’t tell what you mean. You added a second ro membrane?

Who competes with what to do what?