How An RO/DI Water Purification System Works

Reverse Osmosis With Post DI Water Purification Equipment
Built For Businesses That Require De-Ionized Water

RO/DI Water Systems are perfect for cosmetics manufacturing, laboratory water, make up supplies, fish aquariums, manufacturing, car wash spot-free rinsing and washing, cooling loops, battery filling, hydrogen generation, fuel cell, misting and humidification applications, de-ionized water type II to make cosmetic items and much more. Water purified by reverse osmosis has had often greater than 95% of dissolved ions and 99% of most contaminants removed. When the purification of reverse osmosis is not enough, deionization filters can be added for ultra high purity water!

The process used for removal of all dissolved salts from water is referred to as deionization or demineralization. Deionizers (DI) remove both cations
and anions, releasing hydrogen ions (H+) in exchange for the former, and hydroxyl ions (OH-) for the latter. The hydrogen and hydroxyl ions subsequently
combine to form pure water. Mixed-bed deionizers produce water containing the lowest ionic concentrations. These combinations are most useful at the final polishing stage of the purification process.

Our RainDance H2O RO/DI Purification Packages have been built to include our stainless steel wall mount reverse osmosis systems and ultra high purity > 18 Megohm deionizer cartridge to accommodate light to high demand water applications. Our TSM-RO systems are a perfect addition to any Post DI water systems and can increase the DI cartridge lifespan. For low Total Organic Carbon (TOC) applications, reverse osmosis can significantly reduce levels to allow the DI polishing system to remove the final trace amounts.

RainDance H2O Wall Mount RO / DI Water Purification Packages

RO / DI Sizing: Keep in mind that when we refer to an RO's gallon per day (gpd) capacity – we mean what the unit can produce in a 24 hour period. So, you want to make sure you do not under size the RO system. For example a 400gpd system will provide approximately 200 gallons every 12 hours.

RainDance H2O RO/DI-400 Water Purification Package

The RainDance Water Systems 400GPD RO/DI Spot-Free Water Package
Ultra High Purity water > 18 Megohm Post Deionizer Mixed Bed Cartridge Included!

Year End Sale! Lock In Prices With Our Amazing RainDance RO/DI Deals: Now Save An Additional $300.00 On All RainDance Reverse Osmosis Deionization Water Purification Packages When You Apply Coupon Code RODI300 At Checkout Or Order Over The Phone - This Discount Code Will End 12/31/2023

Providing Reverse Osmosis/Deionization Systems Since 1998!

The RainDance Water Systems 400GPD RO/DI Spot-Free Water Purification Package Includes:

400gpd Stainless Steel Show Room Quality Compact Wall Mount Reverse Osmosis System
Treats High Minerals/Salts Up To 2,500ppm TDS
High Capacity / Low Energy Commercial RO System
Includes Color Coded RO Tubing For Easy Installation

Easy To Install, Maintain & Service
Includes: Dual Integrated Sediment & Chlorine/Chloramine Removal Prefiltration
Concern About Other Chemicals? Reverse Osmosis Purification Systems have been found to be extremely effective in removing Gen X and PFAS such as PFOA & PFOS Chemicals.
Includes: Separate Post DI Treatment - Mix Bed High Purity Post DI Replaceable Cartridge: Ultra High Purity water > 18 Megohm
Low Waste! Uses Up To Date RO System Design Software To Reduce Waste Water & Achieve A 50% Recovery.
Includes: Premium Electronic RO Control Panel
Includes: Water Totalizing Meter (Counts Gallons Used)
Includes: TDS Water Quality Monitor
Includes: Instructions & Diagrams Pre-Loaded On Flash Drive
Includes: Lifetime Support & Water Testing
New Upgrades Included:
*Free Delivery - Yes
Free Service Kit - Yes
Free Replacement Filters - Yes
Free 24/7 Support Services - Yes
Free RO Water Usage Meter - Yes
Free Water Quality Monitor - Yes
In Stock - Yes

This package qualifies for free shipping within the continental US
*Not all components shown. Appearances may vary.

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RainDance H2O RO/DI-800 Water Purification Package

The RainDance Water Systems 800GPD RO/DI Spot-Free Water Package
Ultra High Purity water > 18 Megohm Post Deionizer Mixed Bed Cartridge Included!

Year End Sale! Lock In Prices With Our Amazing RainDance RO/DI Deals: Now Save An Additional $300.00 On All RainDance Reverse Osmosis Deionization Water Purification Packages When You Apply Coupon Code RODI300 At Checkout Or Order Over The Phone - This Discount Code Will End 12/31/2023

Providing Reverse Osmosis/Deionization Systems Since 1998!

The RainDance Water Systems 800GPD RO/DI Spot-Free Water Purification Package Includes:

800gpd Stainless Steel Show Room Quality Compact Wall Mount Reverse Osmosis System
Treats High Minerals/Salts Up To 2,500ppm TDS
High Capacity / Low Energy Commercial RO System
Includes Color Coded RO Tubing For Easy Installation

Easy To Install, Maintain & Service
Includes: Dual Integrated Sediment & Chlorine/Chloramine Removal Prefiltration
Concern About Other Chemicals? Reverse Osmosis Purification Systems have been found to be extremely effective in removing Gen X and PFAS such as PFOA & PFOS Chemicals.
Includes: Separate Post DI Treatment - Mix Bed High Purity Post DI Replaceable Cartridge: Ultra High Purity water > 18 Megohm
Low Waste! Uses Up To Date RO System Design Software To Reduce Waste Water & Achieve A 50% Recovery.
Includes: Premium Electronic RO Control Panel
Includes: Water Totalizing Meter (Counts Gallons Used)
Includes: TDS Water Quality Monitor
Includes: Instructions & Diagrams Pre-Loaded On Flash Drive
Includes: Lifetime Support & Water Testing
New Upgrades Included:
*Free Delivery - Yes
Free Service Kit - Yes
Free Replacement Filters - Yes
Free 24/7 Support Services - Yes
Free RO Water Usage Meter - Yes
Free Water Quality Monitor - Yes
In Stock - Yes

This package qualifies for free shipping within the continental US
*Not all components shown. Appearances may vary.

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RainDance H2O RO/DI-1200 Water Purification Package

The RainDance Water Systems 1200GPD RO/DI Spot-Free Water Package
Ultra High Purity water > 18 Megohm Post Deionizer Mixed Bed Cartridge Included!

Year End Sale! Lock In Prices With Our Amazing RainDance RO/DI Deals: Now Save An Additional $300.00 On All RainDance Reverse Osmosis Deionization Water Purification Packages When You Apply Coupon Code RODI300 At Checkout Or Order Over The Phone - This Discount Code Will End 12/31/2023

Providing Reverse Osmosis/Deionization Systems Since 1998!

The RainDance Water Systems 1200GPD RO/DI Spot-Free Water Purification Package Includes:

1200gpd Stainless Steel Show Room Quality Compact Wall Mount Reverse Osmosis System
Treats High Minerals/Salts Up To 2,500ppm TDS
High Capacity / Low Energy Commercial RO System
Includes Color Coded RO Tubing For Easy Installation

Easy To Install, Maintain & Service
Includes: Dual Integrated Sediment & Chlorine/Chloramine Removal Prefiltration
Concern About Other Chemicals? Reverse Osmosis Purification Systems have been found to be extremely effective in removing Gen X and PFAS such as PFOA & PFOS Chemicals.
Includes: Separate Post DI Treatment - Mix Bed High Purity Post DI Replaceable Cartridge: Ultra High Purity water > 18 Megohm
Low Waste! Uses Up To Date RO System Design Software To Reduce Waste Water & Achieve A 50% Recovery.
Includes: Premium Electronic RO Control Panel
Includes: Water Totalizing Meter (Counts Gallons Used)
Includes: TDS Water Quality Monitor
Includes: Instructions & Diagrams Pre-Loaded On Flash Drive
Includes: Lifetime Support & Water Testing
New Upgrades Included:
*Free Delivery - Yes
Free Service Kit - Yes
Free Replacement Filters - Yes
Free 24/7 Support Services - Yes
Free RO Water Usage Meter - Yes
Free Water Quality Monitor - Yes
In Stock - Yes

This package qualifies for free shipping within the continental US
*Not all components shown. Appearances may vary.

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RainDance H2O RO/DI-1500 Water Purification Package

The RainDance Water Systems 1500GPD RO/DI Spot-Free Water Package
Ultra High Purity water > 18 Megohm Post Deionizer Mixed Bed Cartridge Included!

Year End Sale! Lock In Prices With Our Amazing RainDance RO/DI Deals: Now Save An Additional $300.00 On All RainDance Reverse Osmosis Deionization Water Purification Packages When You Apply Coupon Code RODI300 At Checkout Or Order Over The Phone - This Discount Code Will End 12/31/2023

Providing Reverse Osmosis/Deionization Systems Since 1998!

The RainDance Water Systems 1500GPD RO/DI Spot-Free Water Purification Package Includes:

1500gpd Stainless Steel Show Room Quality Compact Wall Mount Reverse Osmosis System
Treats High Minerals/Salts Up To 2,500ppm TDS
High Capacity / Low Energy Commercial RO System
Includes Color Coded RO Tubing For Easy Installation

Easy To Install, Maintain & Service
Includes: Dual Integrated Sediment & Chlorine/Chloramine Removal Prefiltration
Concern About Other Chemicals? Reverse Osmosis Purification Systems have been found to be extremely effective in removing Gen X and PFAS such as PFOA & PFOS Chemicals.
Includes: Separate Post DI Treatment - Mix Bed High Purity Post DI Replaceable Cartridge: Ultra High Purity water > 18 Megohm
Low Waste! Uses Up To Date RO System Design Software To Reduce Waste Water & Achieve A 50% Recovery.
Includes: Premium Electronic RO Control Panel
Includes: Water Totalizing Meter (Counts Gallons Used)
Includes: TDS Water Quality Monitor
Includes: Instructions & Diagrams Pre-Loaded On Flash Drive
Includes: Lifetime Support & Water Testing
New Upgrades Included:
*Free Delivery - Yes
Free Service Kit - Yes
Free Replacement Filters - Yes
Free 24/7 Support Services - Yes
Free RO Water Usage Meter - Yes
Free Water Quality Monitor - Yes
In Stock - Yes

This package qualifies for free shipping within the continental US
*Not all components shown. Appearances may vary.

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1500 gallon per day reverse osmosis with post DI water system

RainDance H2O RODI

RainDance H2O RO/DI Package Includes:

Wall Mount Reverse Osmosis Water Purification System - Show Room Quality Stainless Steel Finish #4
Pretreatment – High capacity sediment, rust, and dirt prefilter & chlorine, chemical odor, and VOC prefilter
Post-treatment - Mix Bed High Purity Post DI Replaceable Cartridge: Ultra High Purity water > 18 Megohm
Handheld TDS Tester - Test your water before & after the RO/DI system.

RO/DI Hard Water Pretreatment

Hard Water is the number one cause for prematurely fouled RO membranes and can result in costly replacements and headache if not treated. For long-lasting, reliable pretreatment for our RO/DI systems, check out our variety of self-cleaning low maintenance water softeners below:

RDWS-MWS-9 Water Softener

RainDance 15gpm High Flow - 32000 Grain Water Softener
Applications: Whole House, Residential, Commercial, Restaurants, Cafes, Schools, Buildings, Businesses, Breweries & Hard Water Pretreatment

Year End Sale! Lock In Prices Before They Go Up With Our Amazing RainDance Water Softener Deals: Now Save An Additional $100.00 On Any RainDance Water Softener When You Apply Coupon Code USA100 At Checkout Or Order Over The Phone - This Discount Code Will End 12/31/2023

Providing Water Softeners Since 1998!

RDWS-MWS-9 Whole House (1-3 person household (?)) Hard Water Softener and Rust Removal System

Tank Size: 9" x 48" - 58" total Height
Brine Tank: 18" x 40"
Pipe Size: 3/4" or 1"
Service Flow Rate: 10-15gpm
Removal Capacity:
32,000 Grains
75 grains hardness
Tank & Valve NSF Certified
Tank & Valve Made in the USA of foreign and domestic parts
Ships pre-loaded with media for hassle-free, quick & easy installation!