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RO advice

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Cristian

Well-known member
Messages
912
Location
Scotland
Hi folks, I'm considering if getting an RO set up will be the best way forward for me but I don't have any experience with the use of them! My tap TDS is 46 and I currently use resin only. My tap water is soft and clean with good pressure. I have two 600 litre IBC's I can make pure into and then pump to van tank. 

What would be the best RO system to get as I see this as being much better longer term for pure production than just sticking to Resin. 

Your input here here would be great! 

Cheers

Cristian 

 
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Are you on a water meter? If you are then you need to balance the cost of water against the cost of resin.

An r/o uses water to produce water. As the r/o is filtering water,  a portion of that is going to the drain.

So in your case with soft water, you could get away with a 1 to 1 pure to waste ratio. In other words, to make 1 liter of pure will cost your 2 liters of tap water. (A sewage charge could also apply if this waste water goes down the drain.)

.

 
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Hi Spruce, thanks for the feedback. I'm not on a water meter and there would be no extra sewage charge, so I'm good to go! What type of RO system would you recommend I purchase? 

 
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Hi Spruce, thanks for the feedback. I'm not on a water meter and there would be no extra sewage charge, so I'm good to go! What type of RO system would you recommend I purchase? 


This isn't an easy question to answer as its your call. Only you can see what you want from your business in the future.

If you are going to stay as a one man operation then a 450GPD RoMan type r/o will be more than adequate if you are only going to use processed r/o water. You could also go for something smaller as you could use di filtration as a backup.

In our situation a 450gpd just managed to supply the 2 of us with careful planning and water 'rationing' toward the end of the week. The 450GPD ran most of the time in good weather - just switching off on a Monday. But it meant that I had to fill my van on Saturday and son's on Sunday for the following week.

For us the answer was a 4040 went we added a third cleaner. He stopped window cleaning after 4 years and we are just back to the 2 of us. We have ample water now. In the days of the 450GPD we could also have supplemented our water production with a di, but resin would have cost more than 3 times what yours is now.

You could also decide on a 4021 r/o which is half the size of the 4040. What ever you decide, you do need to link the 2 IBC tanks together if you haven't already done that and fit a float level switch and solenoid valve that cuts water to the r/o when the IBC tanks are full.

 
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Hi Spruce, thanks for the info, I've got allot to think about and I've not got my IBC's linked yet! Where can I get the solenoids etc for the tank, I don't have a clue regarding this stuff!  

 
Hi Spruce, thanks for the info, I've got allot to think about and I've not got my IBC's linked yet! Where can I get the solenoids etc for the tank, I don't have a clue regarding this stuff!  


http://gardinerpolesystems.co.uk/all-products/pump-hose/pump-controllers/system-controllers/liquid-logic-trade-autofill.html

PureFreedom also do something similar.

This accessory allows you to let the water filter whilst you are out working and automatically switch off when the tanks are full without you having to monitor it. Linking the 2 tanks together will allow the tanks to equalize.

.

 
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