If you are looking for a reverse osmosis system that can provide you with pure drinking water and water for gardening and hydroponics, you can never go wrong with a product from Hydrologic.
HydroLogic Purification Systems is a company that specializes in a wide range of quality water purification products. Their systems are designed for hydroponics, gardening, residential and commercial applications.
Many of their products are manufactured in the USA hence highly reliable. They also incorporate earth-friendly, green technologies like a green coconut carbon filter made from eco-friendly coconut husks.
If interested in a simple, innovative, and affordable RO system that keeps the earth in mind, consider one from Hydrologic.
And to help you select the best from their 150 series, we’ve compiled the list below. We hope that after reading through, you’ll get the right fit for your needs.
What's in this Guide?
A Quick Comparison of our Top Picks
- Best for Gardening: HydroLogic Stealth 150 HL31035
A 3-stage reverse osmosis system that produces 150 gallons of pure water per day, removes 98% contaminants from the water, comes with all installation components, offers a 1:1 and 2:1 waste to pure water ratio, and is easy to use and install.
- Best for Hydroponics: HdroLogic Stealth 150 HL136012
The system filters water in 3 stages, filters 150 gallons of water per day, comes with a KDF85/Catalytic carbon filter that removes chloramines, measures 18.5 x 16 x 6 inches, weighs 11.8 lbs, comes with all parts needed for setting up, and is easy to put up and operate.
- Best for Long Term Use: HydroLogic 741571 with KDF Carbon Filter
A durable reverse osmosis filter that filters water in 3 stages, has fiberglass-made stakes, boasts filtered water to waste water ratio of 1: 2, produces 150 gallons of ultra-pure water per day, can be customized for gardening and hydroponics, measures 15.9 x 6.7 x 8.6 inches, weighs 11.4 pounds and is easy to use.
Choosing the Best HydroLogic Stealth-RO150 Reverse Osmosis System
1. Hydrologic Stealth 150 HL31035 Hydroponic RO System
The Hydrologic HL31035 is a reverse osmosis system that removes 98% of harmful contaminants from your tap water. It produces clean water and is easy to set up now that it comes with everything you need for quick installation.
The unit is customized for hydroponics use and performs excellently as a pre-system filter. It’s an efficient way to process water for gardening.
It filters water in 3 stages and can filter up to 150 gallons per day, which is, for most growers, more than enough.
The 1st filtration stage, which is the pre-filter of the system, gets rid of dust, rust, dirt, sand, and other sediments from the water.
In the 2nd stage, a coconut carbon block filter absorbs the most harmful chemicals from the water, mainly chlorine.
The 3rd filtration stage is the RO membrane that removes microorganisms and TDS from the water to provide you with pure and healthy water to use in your hydroponic system.
The unit includes a choice of 2:1 and 1:1 waste to pure water ratios. It actually wastes around 35% less water than other reverse osmosis systems.
It comes with an RO membrane, a green coconut carbon filter, sediment filter, automatic shutoff valve, pressure gauge, garden hose connector, drain tubing, wall-mountable metal bracket, and installation manual.
The HL31035 is also space-saving now that it measures 16.5 x 6 x 18.5 inches and weighs 10.78 pounds.
- Filters water in 3 stages
- Produces 150 gallons of water per day
- It comes with everything you need for installation
- Removes up to 98% of harmful contaminants from your water
- Offers a choice of 1:1 and 2:1 waste to pure water ratio
- Easy to install
- Plastic hose fitting
2. HydroLogic Stealth 150 HL136012 RO System
Another popular RO system worth considering from HydroLogic is the Stealth 150 HL136012, a 3-stage unit that helps remove harmful contaminants from your tap water.
And just like the HL 31035, this system isn’t primarily made for hydroponics but can be customized to suit the purpose.
Leading the industry in efficiency, the unit includes the choice of both 1:1 and 2:1 waste to pure water ratios. It produces 150 gallons per day of ultra-pure water, enough to keep you supplied with purified water all day long.
The unit comes with a cleanable sediment filter that removes dust, dirt, sand, silt, and other particles from the water, a KDF85/Catalytic carbon filter that removes chloramines, and an RO membrane that gets rid of microorganisms and TDS.
It comes with all components required for set up, is easy to install, and is built to last. It is also easy to use, and filters boast a long life.
The Stealth 10 HL136012 is pretty compact, measures 18.5 x 16 x 6 inches, and weighs 11.8 lbs.
- Compact and lightweight
- Filters all undesirable pollutants
- Produces 50% more filtrate than other models
- It comes with all the components needed for set up
- Produces 150 gallons of pure water per day
- Incredibly easy to assemble and operate
- It can be used to filter drinking water
- Short drain tubing
3. HydroLogic 741571 With KDF Carbon Filter
Last on the list is the HydroLogic 741571 Stealth that comes with the upgraded KDF85/Catalytic Carbon filter already in place. It is also a 3-stage unit that will provide you with pure water for drinking or for your plants if you so want.
The unit is one of the most durable systems you’ll find around now that its stakes are made from fiberglass.
Fiberglass allows for flexibility without breaking. It doesn’t rot, fray, rust, or degrade like stainless steel, features that make the HydroLogic 741571 ideal for long-term use.
The system eliminates 98+ harmful water contaminants in your tap water and boasts a filtered water ratio of 1:2. It also offers an optional 1:1 ratio flow restrictor that saves more than 50% waste water.
It produces 150 gallons of pure water per day and can be customized for gardening and hydroponics like all the other units on the list.
It is also compact and lightweight now that it measures 15.9 x 6.7 x 18.6 inches and weighs 11.4 pounds. The system also comes with all parts required for easy installation.
- Ideal for long term use
- It comes with the KDF85 filter already in place
- Filters require replacement every 6 to 12 months
- It comes with a membrane power flush kit
- Provides 150 gallons of water per day
- Customizable for gardening and hydroponics
And there you have it! The best HydroLogic Stealth 150 RO units will give you pure water for your drinking and cooking needs.
The 3 systems can also be customized for gardening and hydroponics, thus worth going for. Whichever model you decide to settle for, know that you’ll most likely be getting a great deal.
All units provide 150 gallons of water per day, come with all components required for set up, and are easy to install.
Go through the list and select the RO system that will cater to your needs. Good luck!