9-Stage RO
The AquaGuard® 9-stage RO system is a 50 gallon per day under sink filter designed to remove or reduce arsenic, lead, chromium, chlorine, pesticides, pharmaceuticals, viruses, and other contaminants.
Protect your drinking water with arsenic under sink water filter systems designed for point-of-use performance where it matters most: your kitchen tap. Aqua General helps homeowners and businesses identify water concerns, select the right reverse osmosis solution, and keep systems maintained for dependable, great-tasting water without relying on bottled water.

Targeted testing, installation, and maintenance for under sink filtration systems that reduce arsenic and improve drinking water.
The AquaGuard® 9-stage RO system is a 50 gallon per day under sink filter designed to remove or reduce arsenic, lead, chromium, chlorine, pesticides, pharmaceuticals, viruses, and other contaminants.
Start with complimentary water testing to identify arsenic concerns and other water quality issues before choosing equipment. Aqua General uses results to recommend the right system for your property.
Keep your reverse osmosis system performing with professional service, filter replacement, repairs, and routine maintenance for AquaGuard and many other major water treatment equipment brands.

We begin with a free on-site water analysis to understand your drinking water conditions, existing plumbing, and specific concerns about arsenic or other contaminants. This step helps match the treatment approach to real test findings.
Thousands of Greater Houston customers rely on Aqua General for cleaner, safer water solutions.
Choose proven water treatment specialists focused on safe, dependable drinking water.
Led by WQA Certified Water Specialist David A. Davies with recognized industry expertise.
Over 32 years serving Greater Houston water conditions across residential and commercial applications.
Free water testing helps identify arsenic concerns before recommending the right filtration system.
Comprehensive parts inventory supports maintenance for AquaGuard, Pentair, Pelican, 3M, Watts, and more.
Experienced water treatment specialists serving homes and businesses.

President
David A. Davies is the President of Aqua General, Inc., a leading water treatment company serving the Greater Houston metropolitan area for over 32 years. He was among the first professionals in Texas to earn a Texas Commission on Environmental Quality Class III Water Treatment Specialist License and holds the prestigious Water Quality Association Certified Water Specialist designation. David's deep expertise spans residential and commercial water treatment solutions across eight counties in the Houston region. His commitment to excellence and customer service has earned him widespread recognition, including the Texas Water Quality Association's Special Service Award in 2020, the Man of the Year Award in 2022, and the Water Quality Association's Regents Award in 2024. David leads Aqua General with a dedication to delivering clean, safe, high-quality water solutions for every home and business.
Yes. Certain drinking water systems are designed to reduce arsenic, with reverse osmosis commonly used for point-of-use treatment at the kitchen sink. Aqua General offers the AquaGuard® Undersink 9-Stage Reverse Osmosis Filter, which is built to remove or reduce contaminants including arsenic, lead, hexavalent chromium, pesticides, pharmaceuticals, viruses, and other inorganics.
Talk with Aqua General about testing, installation, and maintenance.
Aqua General provides water treatment service across Greater Houston and surrounding counties.
8 Counties
Service Area
Over 32 Years
Experience
Greater Houston
Local Expertise
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Recognizing outstanding water quality industry service.
Honoring leadership in Texas water treatment.
Water Quality Association recognition for excellence.
Tell us about your water concerns, household usage, and existing equipment. Our team will help you schedule testing, review under sink filtration options, and plan professional installation or service.
For immediate assistance, feel free to give us a direct call at (713) 664-4601. You can also send us a quick email at service@aquageneral.com.
For immediate assistance, feel free to give us a direct call at (713) 664-4601. You can also send us a quick email at service@aquageneral.com.