How to Guide

Product Overview
DuoPlus
™
DS300 Salt Free Water Softener
The DS300 is specifically designed for homes on city water systems and under 3,000 square feet.
This two stage system sequesters both calcium and iron and prevents hard water scale while
also providing exceptional chlorine reduction and filtration. Our unique system utilizes a coconut
carbon infused pleated primary cartridge along with a high flow, coconut carbon radial flow
secondary cartridge. The DS300 will effectively remove chlorine, chloramines, rust, dirt, silt and
other sediment at a 5 micron level while our salt free, scale prevention media will address limescale
tand iron stain without he use of salt and without removing the healthy minerals from your water.
Salt Free Conditioning Chlorine / Odor Removal
The Aquios system doesn’t use salt to address The DS300 uses a two stage filtration with a
hard water issues. We use a natural, FDA carbon infused pleated stage 1 cartridge and
approved, Scale Prevention Media proven a stage 2 coconut carbon radial flow cartridge.
to be effective in the prevention of limescale The dual filtration is extremely effective for both
and iron stain. These hard water minerals are chlorine removal as well as other undesireable
sequestered which keeps them in a dissolved odor/tastes that may exist. The result is clean,
form preventing them from forming scale. great tasting, scale free water.
It also, over time, will remove existing scale.
Sediment Control Corrosion Control
Dirt, silt, rust and other sediment is effectively In addition to scale prevention and filtration,
removed from your water leaving it clean. the DS300 system will prevent corrosion of
The double, 5 micron filtration keeps sediment, pipes and plumbing. It does this by placing a
in the cartridge and not in your glass. thin, protective layer throughout your pipes.
Easy Installation 20 Year Warranty
Installation is brilliantly simple. Just connect All Aquios systems come with an industry
the unit to the main water line where it enters leading 20 year warranty on the housing
the home, mount to the wall and you’re done. and head assembly. If any of our systems
An average install takes a plumber around an ever fail, we will replace or repair it. It’s that
hour and a DIY install usually takes about two simple.³
hours.
© Aquios, LLC. All rights reserved. Product specifications are subject to change without notice. The Aquios name and Aquios logo are registered trademarks of Aquios, LLC.
Technical Specifications
· Dimensions: 15”x17”
· Port Size: 1” threaded
· Max Operating Pressure: 85 psi
· Operating Temp: 40°-100°F
· Flow Rate: 15 GPM
· Filter #1 Rating: 5 micron
· Filter #1 Medium: Carbon pleated
· Filter #1 Life: 3-6 months¹
· Filter #2 Rating: 5 micron
· Filter #2 Medium: Radial GAC
· Filter #2 Life: 3-6 months¹
· Max water hardness: 22 GPG²
Replacement Cartridges
· RCDS300 (Stage 1)
· RCDS301 (Stage 2)
1. Filter life can vary and will be affected
by existing water conditions
2. The Aquios system will effectively treat
water with a hardness up to 22 gpg or
380 ppm
3. Restrictions and exception apply.