HydroLogic Stealth-RO 300 | Reverse Osmosis Filter System | 300 GPD

Hydro-Logic® Stealth RO™ 300

Removes 98%+ of all contaminants in your tap water. Leading the industry in efficiency, the Stealth RO 300 has a 2:1 waste-to-product water ratio. Optional 1:1 ratio flow restrictor saves 50% more wastewater. Customized for gardening and hydroponics. The Stealth RO™ 300 produces 300 GPD of ultra-pure water. Includes 3-stage RO unit, 2 RO membranes, carbon filter, cleanable sediment filter, automatic shut-off cartridge, wall mountable metal bracket, garden hose connector, inline shut-off, 8 ft RO and drain line, 5 ft inlet line, filter wrench and instructions. Membrane Power Flush Kit now included.  

• Built in the USA
• Unit size: 18.5" x 16" x 6"
• Weight: 12.5 lbs 

What's Included?

1. Stage 1—Pleated, Cleanable Sediment filter Reduces dirt, sediment, silt, rust, etc.

2. Stage 2—Green Coconut Carbon block prefilter Reduces chlorine and other toxins

3. Stage 3—2 x 150 GPD Reverse Osmosis Membrane Reduces PPMs of Total Dissolved Solids

4. Inlet Pressure Gauge with safe zones Shows dynamic line pressure and optimal operating zones

5. 5' white 3/8" inlet tubing, 8' blue 1/4" purified water tubing, 8' black 1/4" wastewater tubing Food grade LLDPE (linear low density polyethylene) tubing

6. Inline Shut-Off Valve with 1/4" quick connect, Turns system on/off manually

7. Double-Ended Filter Housing Wrench Large end for filter housing, small end for membrane housing cap

8. Flow Restrictor/Flush Kit Assembly with 1:1 and 2:1 Flow Restrictors Determines waste to purified water ratio

9. 3/8" QC X Garden Hose Connector

Membrane Operating Limits: Very Important

• MEMBRANE TYPE: Thin Film Composite

• MAXIMUM OPERATING TEMPERATURE: 113° F (45° C)

• MAXIMUM OPERATING PRESSURE: 100 psi

• MAXIMUM FEED FLOW RATE: 2 GPM

• MAXIMUM TDS: <1000 PPM

• MAXIMUM HARDNESS: <10 Grains Per Gallon (170 PPM)

• PH RANGE, CONTINUOUS OPERATION: 2–11

• MAXIMUM FEED WATER TURBIDITY: 1 NTU

• MAXIMUM FEED SILT DENSITY INDEX (SDI): 5 SDI

• CHLORINE TOLERANCE: 0 PPM

• CHLORAMINE TOLERANCE: 0 PPM

• MANGANESE TOLERANCE: 0 PPM

• IRON TOLERANCE: <1 PPM

• SILICA TOLERANCE: <10 PPM

NOTE: Operating your membranes outside of the parameters voids the warranty. Use only with microbiologically safe water. Do not use with water of any unknown origin or water quality. When in doubt contact HydroLogic to order a water analysis kit.

Additional Info

User Manual

Filter Replacement Guide

Q: What micron rating are these pleated sediment filters?
A: 5 microns

Q: What is the minimum water pressure needed for this system.
A: We recommend running at 60 PSI, anything lower than that you will decrease the amount of product water you get out of the unit. 25 PSI is the lowest you can run this unit.

Q: How long is the warranty on this pump?
A: The warranty for the Stealth RO Booster Pump is 1 year from the original date of purchase.