Clean It Up

UK Window Cleaning Forum => Window Cleaning Forum => Topic started by: brett walker on April 12, 2006, 11:37:14 pm

Title: Ro upgrade
Post by: brett walker on April 12, 2006, 11:37:14 pm

Hi all

I have a 100gpd ro unit and i am thinking of getting an upgrade to produce more water, is this a good idea? or would i be better just going for a merlin?

Any thoughts

thanks in advance

Brett

Title: Re: Ro upgrade
Post by: P @ F on April 13, 2006, 12:10:32 am

Brett , what is your tds from tap and how much does your ro produce per hour ?

 Rich   P @ F

Title: Re: Ro upgrade
Post by: brett walker on April 13, 2006, 12:20:35 am

Hi Rich

its about 130 but dont know how much per hour though i just leave it running, keep filling containers up ant the end of each day

Brett

Title: Re: Ro upgrade
Post by: P @ F on April 13, 2006, 12:26:53 am

Aint you even got a rough idea ?
100 gpd says to me about 400 L , or is that wrong ?

 Rich  P @ F 

Title: Re: Ro upgrade
Post by: brett walker on April 13, 2006, 12:38:06 am

not sure mate

now i only use ladders for access i dont want to run out of water, im sure someone will come up with an answer

cheers

Brett

Title: Re: Ro upgrade
Post by: craig jwc on April 13, 2006, 01:03:31 am

Think it's about 455litres (UK)

4.54609 litres = 1 gallon(UK)

3.785 litres = 1 gallon(US)

Which would make it 378.5litres(US)

Not sure if RO gpd is in UK or US


Craig

Title: Re: Ro upgrade
Post by: Alex Gardiner on April 13, 2006, 07:37:58 am

100gpd is a nominal production figure.

Realistically depending temp. and pressure we get between 300-400 litres per day.

A simple upgrade is to buy a second membrane to add on, this would up production to about 600 litres per day, it would also reduce waste ratio


Alex

Title: Re: Ro upgrade
Post by: Alex Gardiner on April 13, 2006, 02:32:14 pm

Hi Sesutton,

This is a very straightforward upgrade, fits in about 5 minutes, it will double your output and reduce your waste ratio by up to 50%.

We will be happy to supply this to you when we re-open after our vacation on 1st May.

Alex

Title: Re: Ro upgrade
Post by: Londoner on April 13, 2006, 04:47:04 pm

Although you say its a 100GPD system my bet is its not putting out anything like 100 gallons in 24hours. They never do. They also all produce a lot more waste than they are supposed to.

This is because the inlet pressure is too low.

The cheapest upgrade is just to fit a booster pump to zap up the inlet pressure which greatly increases the amount of  good water you get out the other end. And it cuts down the % waste as well.
A pump is about £78 from Ro-man and a pressure gauge about a tenner.

But first you have to do some measurements to work out how much you are producing now and then talk to Ro-man to see if a pump will make enough difference to justify the money.

Title: Re: Ro upgrade
Post by: brett walker on April 14, 2006, 12:02:23 am

Thanks guys for the replies :)

suprised no-one has mentioned the merlin

I think i'll just get an upgrade kit

cheers

Brett

Title: Re: Ro upgrade
Post by: gaza on April 14, 2006, 12:08:09 am

MERLIN MERLIN MERLIN MERLIN 8) BRETT YOUR SUPPOSE TO TAKE YOUR NEW GLASSES OF TO GO TO BED,NOT TEST UM OUT LOOKING AT THE BEDROOM LIGHT BULB ALL NIGHT 8)  :D

 GAZA

Title: Re: Ro upgrade
Post by: brett walker on April 14, 2006, 12:18:45 am

merlin  :o merlin ???



brett 8)

Title: Re: Ro upgrade
Post by: gaza on April 14, 2006, 12:24:20 am

BRETT: MERLIN: LIKE THE MAGICIAN, BET ONE TURNS UP IN YOUR ARSENAL BEFORE LONG.

 GAZA

Title: Re: Ro upgrade
Post by: jsm on April 14, 2006, 08:42:19 am

I like you started with the 100 , then got the upgrade to 200 , worked fine but the water preseure was a bit low so got the pump , now works fine the pump makes a lot of differance - but adding the cost's up , It would be cheaper to get the merlin in the first place  :(

so if i was doing it again I'd get the merlin

Title: Re: Ro upgrade
Post by: matt on April 14, 2006, 09:44:36 am

alexg

im on a water meter

i didnt know a 2nd menbrane would reduce my waste by half, this is very interesting and would pay for itself in a while

Title: Re: Ro upgrade
Post by: jsm on April 14, 2006, 07:54:37 pm

Quote from: matt on April 14, 2006, 09:44:36 am

alexg

im on a water meter

i didnt know a 2nd menbrane would reduce my waste by half, this is very interesting and would pay for itself in a while

I get a 1-pure to 1 waste with a 200gallon with the pump at 100psi , if this helps Matt
without the pump its more like 1 pure to 2-3 waste  :o at tap 40psi pressure