RainDance-400 Grow Master RO Package

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$5,788.00
5788 7083 $5,288.00 - $6,783.00
$5,288.00
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Custom RO Packages built for for Crop Growers, Greenhouses, Organic Farms, Hydroponics, Legalized Marijuana Growers, and all Agricultural uses.


  • RainDance Water Systems 400GPD Grow Master Package Includes:Includes Attached Dual Chlorine, Chloramine, Rust, VOC's, Pesticide, Sediment & Dirt Prefiltration System
  • Includes ​​400gpd Wall Mount Stainless Steel Show Room Quality RO System
  • High 1:1 Recovery Ratio, Low Waste!
  • Includes Premium Electronic Automated RO Control Panel​
  • Treats high mineral content up to 2,500ppm TDS 
  • Includes Color Coded RO Tubing For Easy Installation Included!
  • TDS Blending Valve (?)
  • Your Choice of Storage Tank OR Supply Your Own Storage Tank!
  • Includes 10gpm Delivery Pump


Free Shipping Within The Continental US

RainDance-400 Grow Master Series: Craft the Perfect Water for Growers, Greenhouses, Organic Farms, Hydroponics  
The key to our growers' success is our "TDS Blending Valve" which allows growers to craft the perfect water for premium plant life. Learn more below:
Show Room Quality RainDance-400 Grow Master Package Premium Features & Specifications 
Our Grow Master RO Packages are built for both well water & chemically treated city water sources.
400GPD Wall Mount RO System Specifications
All 400GPD RO Systems include the following important quality features:
  • Premium Light Commercial 400GPD RO System 
  • RO Dimensions: 28"W x 8"D x 12"H - Total height with attached pretreatment 25"H.
  • Wall Mount Show Room Quality Stainless Steel Finish #4
  • Thin Film Composite Membrane
  • Recirculation Valve - Provides high recovery / low waste 1:1 OR BETTER! Product/Waste Ratio
  • RO Membrane Fast-Flush - Helps extend membrane life. This will provide a momentary high velocity flow across the membrane to help flush away any accumulated particles or debris.
  • High Performance 3/4 HP Motors
  • Power: 110v 60hz
  • Positive Displacement Rotary Vane Pump
  • Integral Hydraulic Manifold Assembly​
  • Low Feed Pressure Cutout Switch
  • Tank Pressure Control Switch
  • Delrin Orifice or Teflon Tube Flow Control
  • Feed Inlet Solenoid Valve
  • SS Needle Valve Pressure Control
  • Product Tank Pressure Relief Valve​
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  • Pre-installed Float Switch - Conserves water! Shuts RO system off when storage tank is full. Includes one float switch and weight for system control by tank level. ​​
  • TDS Blending/Mixing Option – Design the ultimate grow water! Read about how the TDS Blend Option works and why it benefits you!​
  • Operating Parameters: Max TDS-2500ppm; Total iron is less than 0.3ppm; Manganese is less than 0.05ppm; Water hardness below 5 gpg. *Production rate is based on input water temperature of 25 C (77 F). If your water is colder production will be lower.
  • RO Protection: Iron, Manganese, and Hard Water pre-treatment may be required to protect the RO system from premature fouling and to maintain optimum performance. Contact us for pretreatment options.
  • All RO Systems Wet Tested Before Shipping​.
  • Tech Support Included
  • Pre-Loaded Flash Drive Included with installation instructions, equipment information, and plumbing sequence schematics.
  • Free Shipping/Delivery on all RainDance-400 Grow Master RO Packages within the Continental USA. 
  • Estimated Delivery: 7-14 Business Days *Note: RO systems are subject to extensive wet testing to pass our rigorous performance protocol which may delay shipment. Please contact us if you have any concerns about shipping.
  • Want to purchase our 400gpd RO system without our packaged storage tank and delivery pump?​ Visit our 400gpd RO on its own HERE!​
​The RainDance-400 Grow Master RO Package includes the following equipment:

Sediment & Chlorine/Organic Chemical Pretreatment System - Stainless Steel Dual 2.5"x 10" Sediment and Carbon TSM Shelf Prefiltration System W/ Shutoff Valve. Provides RO protection from sediment, dirt, debris, chlorine, chlorination by-products, organic chemicals, herbicides, pesticides, insecticides, radon, benzene, and much more.
Pretreatment Equipment Dimensions: 14”W x 8”D x 12.5”H ​​​
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Atmospheric Storage Tank - Choose from 3 sizes! Tank includes float and fittings for easy installation.​ FDA/USDA Approved  *Appearances will vary.
  • 200 Gallon Capacity Tank: Compact for light water users! Dimensions: 31"D x 72"H
  • 300 Gallon Capacity Tank: Made to fit through standard doorways! Dimensions: 35"D x 81"H
  • 500 Gallon Capacity Tank: High capacity for high demand users! Dimensions: 46"D x 76"H
  • No Tank: If our selected storage tank options don't fit your needs we welcome you to source your own storage tank that works best for you. We will still include the float and float switch free of charge to go with your own storage tank!
Tank Location: If the tank is at the same level as the system (not upstairs or way up a hill) 50' away is a practical limit. Upgrading to 3/4" PVC instead of 1/2" tubing or pipe could extend it up to 100' away if needed.

​On Demand Delivery Pump - Fully integrated compact booster pump draws water from RO storage tank and delivers perfect water pressure to all taps. The built-in electronic controller provides constant pressure which ensures that the pump starts automatically when water is consumed and operates continuously until water is not required. 1" Inlet/Outlet Ports. Power is 110v, 1-phase. 1 HP Motor. Output is 10 gpm at 48psi.​

Color Coded Installation Tubing - Perfect for the do-it-yourselfer or local plumber! RainDance is including color-coded tubing and easy quick-connect fittings for your Grow Master RO system to make installation a breeze. Color tubing coordinates with the RO feed water (white), product water (blue), and drain water (yellow). Includes 3 sets of 20ft of flexible 1/2" tubing.

​Exclusive RainDance Preloaded Flash Drive - Installation has never been easier with our Grow Master RO Flash Drive! Includes essential information like detailed installation instructions, pictured diagrams, owner's manuals, Refer-A-Friend gift card offers, and more!

Portable TDS Tester - Monitor your water before and after the Brew Master RO system anytime and anywhere! This portable waterproof tester offers high accuracy total dissolved solids (TDS) measurements in a single tester.

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​RainDance H2O Grow Master Package Selection Guide