Suhrly
Well-known member
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My TDS reading out my tap is between 130 - 150. Do I need or would you recommend me getting an RO system or will just a DI be OK?
Thanks for any advice.
Thanks for any advice.
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But if you can't afford it or are just starting out or only using 100 litres a day or planning to retire in 6 months or something then double Di would fill in the gap for a lower initial outlay
They say anything below 100ppm Di and do anything above, I’m 75ish ppm here in Stockport and use about 400 litres a day and going through a bag of resin every 1.5 months, I’m sick of changing resin so I’m building a 4040 ro System, it should be paid for itself in around a year than hoping the hf5 membrane will last at least 3 years to make some serious money back on it!
It's been said on here before but always buy bigger and better than you currently need and you will grow into it, otherwise you will grow to hate it.
Whatever you get look after it and it will last a long time
Mine's anywhere between 75 and 90 and was using a Ro but with all the waste and being on a meter it was expensive.
I reckon I get around 7000 litres maybe more if I let it go up a bit.
That earns me more than enough for cost of resin plus no faffing about.
There would be no need to use your de ionised water for gutter cleaning Tony, It's a waste. Just tell your custy that you will need to hook up to their outside tap for the gutter cleaning part and you can use as much as you like. (Within reason of course). Just my two penny worth :1f44d:Great advice! I'm actually toying with going with maybe 450l cos I'm planning to do gutter cleaning also
One hose goes into ro (tap water) and two come out. One is pure water and the other is waste. You need waste water to take the impurities you have filtered away. Usually get about 40% pure and 60% of input water goes to waste. Waste is still good water, just higher ppm. Either water your garden with it or down the drain.
I used to feel guilty about waste water but then someone pointed out it's good water going down the drain so not like it's got to be cleaned or damaging the environment. It's less water than people who leave a grass sprinkler on all day use and it lets us have a job and with what we earn from the pure water we will pay taxes.
Some people harvest rainwater from their roof and just have an ro for backup if it's a dry spell. It has very low TDs and can just go through Di to polish.
Think with ro 60% of water that goes in comes out as waste. So big bill if your on a water meterWhat waste? Sorry for the noob question but I'm brand new to Water Fed Pole. Does the RO system produce a waste that you have to keep draining or something?
Your pure goes into the tank and waste just goes down the drain straight awayCheers. Where is the waste water stored though? Or do you mean empty the tank after each day?