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Forum: Reef

10-17-2002, 02:55 PM

Replies: 40

ro filter

Views: 4,824

Posted By Marianne

DI Water

Rain water, unless you live in a polluted city, is without ions. (Crap can be picked up in the air during precipatation (crap=non technical word). The earth minerals that are dissolved in water...

Forum: Reef

10-15-2002, 08:14 PM

Replies: 40

ro filter

Views: 4,824

Posted By Marianne

Drinking DI Water

Drinking Di water will have the same effect as drinking rain water.

The water is so diluted after it hits your mouth, it really doesn't matter.

What it won't have in it is dissolved rock,...

Forum: Reef

10-15-2002, 02:59 PM

Replies: 7

DI resin refil

Views: 1,553

Posted By Marianne

OK, Knowledge bases

Stephane,

I am sure you felt justified putting me in a general classification as "some retailer"...however, I would like to clear a few things up about "MY" personal qualifications &...

Forum: Vendor Announcements

05-29-2002, 10:52 AM

Replies: 8

RO/DI Unit Sale

Views: 1,121

Posted By Marianne

RO/DI Unit Sale

Thanks AJ. I hope all is going well for you.

Marianne

Forum: Reef

05-13-2002, 10:52 AM

Replies: 7

DI resin refil

Views: 1,553

Posted By Marianne

DI resin refil

I do agree with Stephane. If you do have a RELIABLE source then you should be OK. We do make units for other sectors of the DI market, where pH is sooo important. Maybe we do go off the deep end...

Forum: Reef

04-06-2002, 10:29 AM

Replies: 18

Dechlorinating

Views: 2,018

Posted By Marianne

Dechlorinating

The whole thing is really source water.

Lets say you are collecting rain water, then NO PROBLEM. You would have very low TDS, no chlorine and it should be very simple to perform any pH adjustment...

Forum: Reef

04-06-2002, 10:14 AM

Replies: 13

RO/DI unit pressure

Views: 2,267

Posted By Marianne

RO/DI unit pressure

Yes, your membrane is fine, actually if you run it at 80 PSI you will get better production and less wastewater.

35 PSI is dead minimum to get reverse osmosis to work. Be low that all the water...

Forum: Reef

04-06-2002, 09:59 AM

Replies: 4

DI resin advice

Views: 979

Posted By Marianne

DI resin advice

I am sorry about the delay in responding.

Anyway, resins, there are (as you found out) many types. I have found some manufactures out perform others. Many times we custom blend, depending on...

Forum: Reef

03-23-2002, 12:31 PM

Replies: 11

How much is too much?

Views: 2,047

Posted By Marianne

How much is too much?

This high pressure rating is to assure the membrane does not compress and get distroyed. These are low pressure membranes used so most households can generate RO water without the use of any...

Forum: Reef

03-22-2002, 06:57 PM

Replies: 11

How much is too much?

Views: 2,047

Posted By Marianne

How much is too much?

Hello Jamie,

Thanks for the post. The Dow Filmtec low pressure membranes (which are the ones we use) can go to a max pressure of 125psi or .86MPa for you metric folks.

These membranes are...

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