rodi filter problems (1 Viewer)

[reeftopia]

I am having to change filters every 200 gallons on my water and ice typhoon 2. By the time I finish the third 100 gal tank my numbers are over a 100.
Is my water here that bad or could I be doing something wrong? At this rate I would be better off going to walmart and filling 5 gal jugs

 

[RR-MAN]

Do you have a tds meter on the unit?

What’s the incoming water tds? Mine is bad in pearland- around 412 ppm

 

[Ulric]

All the filters, or certain ones?

What bit I get, Chloramines, CO2 and Silicates are some things that can impact certain ones hard. Chloramines are hard on the RO, CO2 and Silicates can hammer the DI filter... an ex: my initial DI filter is @ 50% after roughly 30g... Also seen suggested, to run water off the filter a bit first then connect and filter.

 

[reeftopia]

my tap is 302, changed to sediment filters and a carbon it dropped to .38 now changing media. Seriously if I have
to change everything every 100 gal is an rodi worth runnng?

 

[gm357]

Bad membrane maybe? Does your unit self flush?

 

[Cody]

my tap is 302, changed to sediment filters and a carbon it dropped to .38 now changing media. Seriously if I have
to change everything every 100 gal is an rodi worth runnng?

This shouldn't be the case. I think something is up with how your unit is plumbed. I need to make a trip up there to look at your RO.

 

[decimal]

How’s your ro unit set up now (how many stages, micron sizes etc.)?

 

[Team Turtle]

Two questions with rodi i always ask cause this is what will deplete your media quicker than anthing...What is pressure across membrane and do you have the correct sized restrictor for the GPD filter your using? Low pressure equals media loss x 2

 

[reeftopia]

Changed out everything again got me down to 10. Made 90 gallons of water and meter was at 11. the primary cotton filter totally
a rust color after just 90 gallons

 

[RR-MAN]

Are you on well water?

 

[reeftopia]

no The city water plant is literally a couple blocks from me.

 

[Ulric]

no The city water plant is literally a couple blocks from me.

If I can offer for your perusal...

Remove Chloramines with your RO/DI Filter System

Chloramine is quickly becoming a concern for an increasing number of aquarium hobbyists because more and more municipalities are using chloramine to sanitize local water supplies. According to the EPA, more than one in five Americans uses water treated with chloramine. If untreated, chloramine...

www.bulkreefsupply.com

"The problem for aquarists is that chloramine is not effectively removed by standard RO/DI systems and the presence of chloramine will quickly exhaust your DI cartridge."

"Since a typical carbon block cartridge will not remove chloramine effectively, a special chloramine removal carbon cartridge is needed."

 

[gregg]

Two questions with rodi i always ask cause this is what will deplete your media quicker than anthing...What is pressure across membrane and do you have the correct sized restrictor for the GPD filter your using? Low pressure equals media loss x 2

I too think its a low pressure issue... @reeftopia does your unit have a pressure pump built into it?

 

[Cody]

I too think its a low pressure issue... @reeftopia does your unit have a pressure pump built into it?

@reeftopia told me in person that he has high water pressure. What's your water pressure, David?

 

[Team Turtle]

@reeftopia told me in person that he has high water pressure. What's your water pressure, David?

Measure the water pressure after the ro membrane

 

[decimal]

Basics.. contact the water co and get a report. It should tell you if they are adding chlorine, chloramine or whatever. Make sure you’re using a low ppm solids removal cartridge (1 micron or below) as the first stage. Then the carbon stage (s) can be wide open like 5ppm. If the carbon stages are small pores like the primary, they can clog up reducing the effectiveness of the carbon. Consider a GAC stage and a catalytic carbon stage to address chloramine. When replacing filters, Always push water per stage so subsequent filters down the line don’t clog.

I’m sure you’re doing most, if not all, of that already but just a quick refresher. I forget stuff all the time lol

Activated Carbon vs. Catalytic Carbon – Aquapura Water Products

www.aquapurawater.ca