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6Ppm Water How Often Change Ro Membraine And Di?

Cheers....42.2% is not very good then dont you think?

What should a 300 gpd ro be running at approx 4 bar tap pressure?

 
Cheers....42.2% is not very good then dont you think?
What should a 300 gpd ro be running at approx 4 bar tap pressure?
The rating is probs around 100psi 7 bar for membrane, might tell you in the destructions. i`ve never used smaller than 20inch RO membranes.
 
When tested the temp was 1 c and at approx 50-60 psi so a boster would help don't you think?

 
When tested the temp was 1 c and at approx 50-60 psi so a boster would help don't you think?
not unless you boosted it to 100psi to combat the low water temp. as weather warms up your output will improve any way.
 
May treat myself to 4040 static setup instead just incase we have less rainfall this summer /emoticons/wink.png

 
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