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document.write("RO/DI: Reverse Osmosis De-Ionized Water
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document.write("Why use RO/DI water?
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document.write("Buy a 100gpd unit today
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document.write("Buy replacement filters
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document.write("Ordering Questions
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document.write("Installation Instructions
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document.write("Trouble-shooting FAQ
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document.write("How to change filters
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document.write("How to replace the membrane
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document.write("Hook one up to your sump? Don't do it!
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document.write("Referral Program! ![](\"g/attention.gif\")
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document.write("Common Questions:
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document.write("How often should I change the filters?
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document.write("The prefilter set should be replaced every six months. This protects the membrane from chlorine damage. The prefilter set consists of (1) 5 micron sediment filter and (2) 10 micron carbon filters. The DI is good for approximately one year.
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document.write("The membrane is good for three to five years. When production rates drop significantly, usually this indicates the filters need replacing. If you've done so and see no improvement, it may be necessary to replace the membrane next. Email me for more details.")
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document.write("How do I change the filters?
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document.write("Scroll up to the above link 'How to change filters'.
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document.write("Where can I buy a TDS meter?
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document.write("I sell a handheld TDS (Total Dissolved Solids) meter for $25. This is a valuable tool that will measure the water and give you a digital readout to alert you to the need for filter changes. Ideally we want the TDS to read zero, but anything under 10 TDS is considered good.
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document.write("How long does it take to arrive?
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document.write("RO units are shipped from Florida to your door, and arrive within 10 days of ordering.
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document.write("Questions or thoughts?
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document.write("Email Marc")