RO-90 – Ultimate 5-Stage 90 GPD Reverse Osmosis Drinking Water System


APEC Water System is arguably the most recognizable brand in water filtration system. It is a pioneer in the Reverse Osmosis technology that converts tap water into safe and clean drinking water. It prides itself in bringing excellent water filtration system that is at the same time affordable and durable. APEC water system has been in the market for 17 years and have gained the confidence and trust of its customers.



APEC Waters System has recently introduced its newest product, the RO-90 – Ultimate 5-Stage 90 GPD Reverse Osmosis Drinking Water System. This is the company’s biggest water filtration system to date with a massive 90 gallon per day capacity. The RO-90, like APEC’s other filtration systems, performs the complete 5 stage filtration cycle that removes harmful contaminants in water. Its fully automated system promises to treat tap water with different water pressures and varying PH levels excellently.

The RO-90 system is certified by the Water Quality Association to use safe and non-toxic materials in its filtration system. It can remove up to 10 unsafe chemicals in water. When it comes to durability, the system can last up to 10 years even if used daily. Its filters use high-grade industry materials that can last up to 12 months.

Unlike other filtration system, installation of the RO-90 can be done by anybody. Maintenance and replacement of parts is fairly easy as the system uses industry standard parts and components that are available in the market. The product is also fully scalable allowing customers to upgrade the system in the future as the need arises. On top of it all, a quality APEC Water System offers lifetime support to its customers for technical and maintenance requests.

The RO-90 is available on retail at $ 279. 00 with available options for parts upgrade. Additional filters are $ 30.00.

Key Specifications and Dimensions:

System Capacity: 90 gallons per day @ 60 psi, 75 gallons/day @50 psi and 77 degrees Fahrenheit

Tank Size: 4.14 gallons optional

Tank Dimensions: 11″ x 11″ x 15″ (4 gallons tank). 16″ x 16″ x 25″ (14 gallons tank)

Feed Water Pressure: 40-85 psi

Feed Water Temperature: 40-100 degrees Fahrenheit

Max Total Dissolved Solids: 2000 ppm

System Dimensions: 16″w x 5.25″d x 17.5″h

Feed Water pH: 2.0 -11.0

System Package Weight: 25 lbs


The RO-90 has receiving good reviews by its customers. Its do-it-yourself installation features is a major improvement to any APEC water system in the past. It takes an average of 1 hour to install the system by just following the user manual.

The quality of the water that comes out from the system is highly potable. It produces clean and clear water that taste the same as bottled water. Its filters work well and highly durable. With the use of the RO-90, total dissolved solids can drop at about 90 percent.

The only limitation of the product is its inability to re-introduce lost minerals in water. But overall, the system is worth the investment. The RO-90’s ability to treat a large amount of water in differing water pressures and pH levels is highly admirable. APEC’s 5 stage Reverse Osmosis Technology in this system, like in previous products, works efficiently. It is an excellent filtration system that is worth its price. Highly recommended!