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UK Window Cleaning Forum => Window Cleaning Forum => Topic started by: tatman on December 12, 2007, 07:50:03 pm

Title: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: tatman on December 12, 2007, 07:50:03 pm
GETTING MY PURE FREEDOM 40INCH RO VAN MOUNT 2MOR ;D I KNOW THERES A COUPLE OF LADS WITH THEM WINDOW WASHERS ONE OF THEM JUST WONDERED WHAT THE MONTHLY RUNNING COSTS AMOUNT TO ROUGHLY (NOT INCLUDING WATER) HOW OFFEN DO YOU LADS FLUSH THEM OUT ETC.
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: NWH on December 12, 2007, 07:57:38 pm
With changing your resin and filters once or twice a year £50,flush it before you fill for 5mins it will get the reading down before you adjust the waste to make water.I used to give mine a good flush out every week for about 20mins,if you look after it the resin will last for a year.The cost above is for 1 change of resin and pre filters,flushing the membrane will save the pre filters.
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: windowwashers on December 12, 2007, 08:04:33 pm
if you are in a hard water area ask if you can get another di vessal fitted as you will save money on resin.

I flush my RO every 2 fills for 10 mins (and I use pure water to do it  :-[ ), pre filters once a month, maybe I dont need to, but at the cost they are I prefer to save the membrain.

they is a nice cafe in grisby where andrew drops you off, also a libary where you get 30 mins free internet connection, the bus company do a day ticket which I got and stayed on most of the day to amuse myself also there is an arcade (won quite a bit in there) and bingo with the old ladies was fun anything to pass the time and it feels like your a kid waiting for christmas.
Im on second bag of resin so would say about a bag every other month with 1 di 2 di's 1 bag every 3x.

Ian
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: NWH on December 12, 2007, 08:06:27 pm
Windowwashers with all due respect your talking rubbish,how long have you been WFP?.
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: brightnclean on December 12, 2007, 08:12:14 pm
 :o  OMG I almost agree with NWH again!!  :o

I do agree on the flushing for a few mins each fill and a decent flush once or twice a week.

Where I disagree is the one change of resin a year. It's impossible to say this. So much depends on tap TDS, water pressure and the amount of water used. You would be very lucky to get away with one change of resin a year in a hard water area. Like wot I am in :(

I've got a Pure Freedom 40 inch sys and also an Ionics one. ( I ruined the Ionics membrane coz I didnt flush regularly)  Lesson learned and the Freedom one does me fine. :)

OOPS I was just about to post his and saw Ian's thingy about flushing with pure water. Seems a bit convoluted to me. You would do far better by adding a softener unit before your pre-filters Ian.
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: [GQC] Tim on December 12, 2007, 08:26:16 pm
What do you mean with water softener, one of these?

http://www.h2onics.co.uk/shopping/catalogue.php?categoryid=1
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: tatman on December 12, 2007, 08:33:31 pm
cheers lads in other words very low running costs if you look after it ;D
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: brightnclean on December 12, 2007, 08:40:33 pm
cheers lads in other words very low running costs if you look after it ;D

In essence yep!!   For what they earn you it's peanuts.

By a water softerner I mean more like one of these http://www.easyh2o.co.uk/category.asp?CategoryID=1&Cat=SOFTENERS

What you have to watch out for using a whole house softener though is that during and after regeneration of the softening resin the TDS out of the softener is off the scale!!!  By that I mean literally 1000's of TDS. The best way to do it is have a very basic unit just for the RO system and disconnect it and run the output to waste for a while until the TDS comes down again to normal levels. The softener will take most if not all of the limescale= out of the tap water before it hits the RO system doign a couple of things. Reduced TDS out of the RO and much better membrane protection. It's easy to add a kit whenever you want to.
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: windowwashers on December 12, 2007, 10:18:12 pm
Windowwashers with all due respect your talking rubbish,how long have you been WFP?.
can you explain why I am talking rubbish  : ???

how long have I looked at wfp and studied it maybe a better ?

I am not sure how long you have been wfp NWH but where I live 1/2 resins changes a year  :o I wish my tds is over 470, maybe if I had a 7ft tall di vessal it may last thAT LONG BUT IT IS 16INCH i THINK, and needs changing nearly weekly.
But I do change resin when it starts to rise over 001 hence the reason for second di vessal as it is a waste just to throw it away IMO.

You may say I talk rubbish and you are welcome to add your opinion, but I think you are wrong  ;)

Ian
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: windowwashers on December 12, 2007, 10:20:13 pm
:o  OMG I almost agree with NWH again!!  :o

I do agree on the flushing for a few mins each fill and a decent flush once or twice a week.

Where I disagree is the one change of resin a year. It's impossible to say this. So much depends on tap TDS, water pressure and the amount of water used. You would be very lucky to get away with one change of resin a year in a hard water area. Like wot I am in :(

I've got a Pure Freedom 40 inch sys and also an Ionics one. ( I ruined the Ionics membrane coz I didnt flush regularly)  Lesson learned and the Freedom one does me fine. :)

OOPS I was just about to post his and saw Ian's thingy about flushing with pure water. Seems a bit convoluted to me. You would do far better by adding a softener unit before your pre-filters Ian.
have the vessal for it now just need a few more things  ;)
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: Davew on December 12, 2007, 10:22:11 pm
A bag of resin every month? did i read that right? :o
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: windowwashers on December 12, 2007, 10:28:41 pm
A bag of resin every month? did i read that right? :o
my mistake meant 2 months time seems to be flying by :-X
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: NWH on December 12, 2007, 10:30:24 pm
Windowwashers if you change your resin as often as you say you do they must have sold you a 40x40 membrane houseing without the membrane.
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: windowwashers on December 12, 2007, 10:31:44 pm
Windowwashers if you change your resin as often as you say you do they must have sold you a 40x40 membrane houseing without the membrane.
I had to get another bag which I got 2 days ago, you work it out m8, I am being honest.

Ian
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: Davew on December 12, 2007, 10:37:52 pm
I used five litres of resin in six months, very hard water with tds of 365. Changed prefilters at the same time. ( i don't have 4040)
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: windowwashers on December 12, 2007, 10:39:02 pm
I used five litres of resin in six months, very hard water with tds of 365. Changed prefilters at the same time. ( i don't have 4040)
how much water do you use a day ? I am getting through about 600

And 370 is low tds, my water is hard 470+
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: Davew on December 12, 2007, 10:40:33 pm
Four to five hundred.
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: windowwashers on December 12, 2007, 10:42:11 pm
Four to five hundred.
do you have ibc's ? mine is van mount  ::) take just over 4 hours to fill.
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: NWH on December 12, 2007, 10:42:20 pm
Seriously mate i don`t mean to have a dig at you but there`s got to be something wrong with that membrane,if your flushing it no matter what the tap output even if you changed your pre filters there only 20 quid for the pair a time,if your getting your after RO readings down to anything sensible and you should with a 40x40 the resin will last ages.With a 40x40 your pre resin reading should be no higher than 5ppm most of the time it will get it down to 2-3 if regularly flushed,you havn`t had your RO system long and when they first come there filled with a fluid that will need flushing out it`s put in because it`s shipped from abroad ie stops it drying out,if yours has been shipped from abroad and has this fluid-chemical in it it will eat the first couple of cans of resin before it`s thoroughly cleaned out of the unit,after which it should settle down and the resin should last ages.
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: windowwashers on December 12, 2007, 10:44:54 pm
Seriously mate i don`t mean to have a dig at you but there`s got to be something wrong with that membrane,if your flushing it no matter what the tap output even if you changed your pre filters there only 20 quid for the pair a time,if your getting your after RO readings down to anything sensible and you should with a 40x40 the resin will last ages.With a 40x40 your pre resin reading should be no higher than 5ppm most of the time it will get it down to 2-3 if regularly flushed,you havn`t had your RO system long and when they first come there filled with a fluid that will need flushing out it`s put in because it`s shipped from abroad ie stops it drying out,if yours has been shipped from abroad and has this fluid-chemical in it it will eat the first couple of cans of resin before it`s thoroughly cleaned out of the unit,after which it should settle down and the resin should last ages.
NWH, I have thick skin m8 so no probs,

my reading after RO is 19/20
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: NWH on December 12, 2007, 10:47:57 pm
You must have a problem with your membrane you would get less than that from a merlin,i would ring them up and get them to change it for a better quality membrane.
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: Davew on December 12, 2007, 10:49:27 pm
Maybe your tap pressure is too low?
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: windowwashers on December 12, 2007, 10:51:03 pm
Maybe your tap pressure is too low?
tap pressure seems fine. it the reading after ro was over 40 when i first got it
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: NWH on December 12, 2007, 10:53:32 pm
Like i said the fluid in the membrane will munch the first couple of cans of resin but your RO sounds F*****.
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: windowwashers on December 12, 2007, 10:54:58 pm
Like i said the fluid in the membrane will munch the first couple of cans of resin but your RO sounds F*****.
will be calling Apurefreedom in the morning then I think  :(
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: brightnclean on December 12, 2007, 11:18:51 pm
Ian.  In a very hard water area like yours your reading od 19/20 ish out is pretty good. Like I said if you soften your input water that will go down. Probably to single figures. As it is your RO is removing around 96% of solids which is very acceptable for a 40 inch membrane. 2 things will improve that. 1: softener and 2: more water pressure.

NWH mate.  A lot of membranes are supplied dry. Not all are supplied wet like you say.   E.G. Osmonic Desal and a lot of Filmtec membranes are supplied dry and these are some of the best quality ones you can buy.
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: NWH on December 12, 2007, 11:21:29 pm
The ones which are wet are sent from abroad i think the fluid inside is to prevent disease as well as keeping it lubricated.
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: Alex Wingrove on December 12, 2007, 11:22:55 pm
are they vacuum packed though?
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: windowwashers on December 13, 2007, 01:03:00 am
Ian.  In a very hard water area like yours your reading od 19/20 ish out is pretty good. Like I said if you soften your input water that will go down. Probably to single figures. As it is your RO is removing around 96% of solids which is very acceptable for a 40 inch membrane. 2 things will improve that. 1: softener and 2: more water pressure.

NWH mate.  A lot of membranes are supplied dry. Not all are supplied wet like you say.   E.G. Osmonic Desal and a lot of Filmtec membranes are supplied dry and these are some of the best quality ones you can buy.
Thank god, dont need more hassle for the next fews weeks  ;D
Title: Re: WHAT ARE THE RUNNING COSTS OF A 40INCH RO
Post by: tatman on December 14, 2007, 11:56:12 am
alright lads back from grimsby bloody long day do you take your battery indoors everynight to charge?