RO water filter recommendation

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Hey All

Hopefully i am not doubling up with this question but i am looking to purchase a RO water filter to fit to my outside lawn tap. I have looked on Ebay for one and there are a few different types and they vary alot in price. What do you guys recommend? How many stages do you require for making beer? I see that there are 3 stage systems through to 7 stage systems.
Any help/advice is very much appreciated !
 

wide eyed and legless

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Hey All

Hopefully i am not doubling up with this question but i am looking to purchase a RO water filter to fit to my outside lawn tap. I have looked on Ebay for one and there are a few different types and they vary alot in price. What do you guys recommend? How many stages do you require for making beer? I see that there are 3 stage systems through to 7 stage systems.
Any help/advice is very much appreciated !
You are doubling up, but no matter, scomet is your man to ask, Google is the best way to find the posts on here, this search engine doesn't seem to work to well.
 

scomet

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Hi Darren

I would have a look at these, the cheap Chinese units dont get to very low ppm, you pay a bit more but it will last years and considering how much work we put into our beer it's a cheap investment imo. The difference is the RO membrane US vs. Chinese!

https://www.psifilters.com.au/laund...se-osmosis-system-with-gauge-low-waste-1.html

this is a good thread

https://aussiehomebrewer.com/threads/r-o-water-treatment.100972/#post-1542291

Search RO on this site there’s a shed load of posts… + you can have as many stages as you like but if the RO membrane is Naff your spinning your wheels, I see your in WA, RO + remineralisation will make a huge difference to your beer imho..

Cheers + good luck
 
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I ended up going for a 3 stage “shield” system off eBay. Cost about 100 dollars. I recently purchased a pH tester and the readying was 6.84 which was below my expected 7. Anyone else test their RO water ?
 

scomet

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G’day Darren, I used to but a lot of people on here have posted that Ph testing RO water is meaningless due to the lack of ions in the water which makes the readings ' spurious ' at best! I’m no chemist just going by what I’m told. What is important is your mash Ph, get a copy of B’ruin water, its worth the $ for the pay version you will hit the numbers every mash + Martin is a top bloke very helpful…

ps Ph meters are incredibly unreliable and have a short life, my advice is to get Martins program and trust the numbers - works for me (I got a Milwaukee 102 $$! in Aus.) proved Martin correct so many times I stopped bothering using it…. Cheers
https://www.milwaukeemeters.com.au/low-cost-portable-ph-meter-1435106142.html
 
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OATY1KENOBE

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G’day Darren, I used to but a lot of people on here have posted that Ph testing RO water is meaningless due to the lack of ions in the water which makes the readings ' spurious ' at best! I’m no chemist just going by what I’m told. What is important is your mash Ph, get a copy of B’ruin water, its worth the $ for the pay version you will hit the numbers every mash + Martin is a top bloke very helpful…

ps Ph meters are incredibly unreliable and have a short life, my advice is to get Martins program and trust the numbers - works for me (I got a Milwaukee 102 $$! in Aus.) proved Martin correct so many times I stopped bothering using it…. Cheers
https://www.milwaukeemeters.com.au/low-cost-portable-ph-meter-1435106142.html

Hi Scomet, I think that when they talk about "lack of ions" they are talking large scale industrial water treatment to make PURE water. These systems have Cation drums, degassifiers & anion drums and usually a 'polisher' as well. Your 'home' under-sink type RO unit will not give you 'pure' water and pH measurements should be reasonably accurate as long as your instruments are in good condition. I replace my probes approx every 6 months. At only $15 a probe I believe it's money well spent. Having said that, I will also compare B'ruin with my pH meter.... it can't do any harm :)
 

mischa6262

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G’day Darren, I used to but a lot of people on here have posted that Ph testing RO water is meaningless due to the lack of ions in the water which makes the readings ' spurious ' at best! I’m no chemist just going by what I’m told. What is important is your mash Ph, get a copy of B’ruin water, its worth the $ for the pay version you will hit the numbers every mash + Martin is a top bloke very helpful…

ps Ph meters are incredibly unreliable and have a short life, my advice is to get Martins program and trust the numbers - works for me (I got a Milwaukee 102 $$! in Aus.) proved Martin correct so many times I stopped bothering using it…. Cheers
https://www.milwaukeemeters.com.au/low-cost-portable-ph-meter-1435106142.html
hey mate you can PH test RO water, you need to add a buffer solution to the sample such as sodium chloride and you will be able to read the PH
 

mischa6262

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I ended up going for a 3 stage “shield” system off eBay. Cost about 100 dollars. I recently purchased a pH tester and the readying was 6.84 which was below my expected 7. Anyone else test their RO water ?
Seems i was too late to give a recomendation for a non electric RO have a look at these
https://www.kinetico.com/media/1736/tq-series-reverse-osmosis.pdf
Where i used to work sell them all in one easy click in cartridge for pretreatment depending on what feed water and up to 3 membranes - depending on your demand flow rate
 

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