Easily find expert advice, product guides, and water treatment insights—organized by topic to help you explore what matters most to your water filtration or education needs.
Browse all Crystal Quest articles by topic:
The CQ Water Blog
PFAS are turning up in tap water across the U.S. Learn what they are and why they're harmful.
The CQ Water Blog
Learn how water softeners use ion exchange to remove hardness minerals to eliminate scale, dry skin, and dull hair.
The CQ Water Blog
Learn how NAC Media offers a salt-free, eco-friendly solution to hard water problems.
The CQ Water Blog
From lead and chlorine to PFAS and bacteria, even “clean” water can carry hidden risks.
Crystal Quest Water Purification Hub
Water filtration solutions and benefits across home, commercial, and industrial use—covering health, safety, and uses.
Crystal Quest Water Purification Hub
Blogs covering various water filter cartridges—from sediment, to ceramic and specialty filters.
Crystal Quest Water Purification Hub
Learn how different water filtration technologies work—from reverse osmosis and ion exchange to carbon, UV, and more.
Crystal Quest Water Purification Hub
Explore articles on reverse osmosis, whole house, and point-of-use systems—plus maintenance guides, filter comparison...
Contaminants in Water: Safety, Health Effects & Best Filters Guide
Think your water might be contaminated with PFAS? Learn about the signs to watch for and how to find out for sure.
Contaminants in Water: Safety, Health Effects & Best Filters Guide
PFAS are toxic “forever chemicals” found in tap water. Learn the risks and how to filter them out.
Contaminants in Water: Safety, Health Effects & Best Filters Guide
Learn about the main contaminants found in public drinking water and why they matter.
Contaminants in Water: Safety, Health Effects & Best Filters Guide
This comprehensive guide dives into the modern water quality crisis, detailing common pollutants, their health risks,...
Contaminants in Water: Safety, Health Effects & Best Filters Guide
Discover natural causes of hard water—plus quick fixes to stop scale, protect plumbing, and keep your home spot-free.
Contaminants in Water: Safety, Health Effects & Best Filters Guide
Not sure if you need a water softener? This guide shows four quick ways to test hardness at home and understand your ...
Contaminants in Water: Safety, Health Effects & Best Filters Guide
Wondering if you need a water softener? Here are 10 clear signs you have hard water.
Contaminants in Water: Safety, Health Effects & Best Filters Guide
Not sure if your problem is hard water or high TDS? Learn the difference and filtration solutions for each water qual...
Contaminants in Water: Safety, Health Effects & Best Filters Guide
TDS, how to test at home, ideal TDS ranges, and how filtration systems reduce TDS for safer, better-tasting water.
Contaminants in Water: Safety, Health Effects & Best Filters Guide
Discover exactly what hard water is, how it forms, why it hurts your plumbing, skin and wallet.
Contaminants in Water: Safety, Health Effects & Best Filters Guide
Arsenic is a hidden danger in many U.S. water supplies, especially private wells. Learn more here.
Contaminants in Water: Safety, Health Effects & Best Filters Guide
Tannins are a group of organic substances that naturally occur in various plants – including trees, shrubs, and herbs...
Contaminants in Water: Safety, Health Effects & Best Filters Guide
Learn how lead gets into drinking water, health risks, and the most effective filtration methods to protect yourself.
Contaminants in Water: Safety, Health Effects & Best Filters Guide
Learn what fluoride is, why it’s in tap water, potential health risks, and how to remove it effectively.
Water Filter Maintenance
Extend the life of your Crystal Quest® softener with this step-by-step maintenance guide.
Water Filter Maintenance
Learn how to properly maintain your salt-free water conditioner to keep it running efficiently.
Whole House Water Filters
Learn how Point-of-Entry (POE) water filtration systems filter all water before it reaches your faucets and appliances.
Whole House Water Filters
Live free from wondering what's in the water coming out of your home's faucets. Help protect your health, and your bu...
Reverse Osmosis Systems
Complete guide to reverse osmosis water filtration: how it works, what it removes, and much more.
Water Filter Comparisons
Compares how Softeners and Conditioners work, cost, their economic impact, and maintenance.
Water Filter Comparisons
Confused between POU and POE water filtration? This guide explains what they are and how to choose the right system.
Reverse Osmosis Technology Articles
Learn how reverse osmosis filtration works to remove up to 99% of PFAS from your water.
Reverse Osmosis Technology Articles
Learn the differences between ultrafiltration, nanofiltration, and reverse osmosis.
UF and Nano Filtration
How nanofiltration removes PFAS, how it works, and where it fits in.
Ion Exchange Water Technology
Discover ion exchange for PFAS removal in water. Learn about resins, comparisons and uses.
Ion Exchange Water Technology
Discover how ion exchange works and why it’s essential for removing contaminants like calcium, lead, and nitrates.
Media and Resin Articles
Learn how activated carbon filters remove PFAS from drinking water.
Media and Resin Articles
NAC and TAC media offer salt-free solutions to hard water problems—but how do they compare?
Media and Resin Articles
Explore the science behind how NAC Salt-free Softening media works.
Cartridge Filters Guide
A quick and easy read to understand how carbon filters remove PFAS from drinking water, and why they work.
Home Water Filter Applications: Solutions for Clean Water at Home
Worried about PFAS in your drinking water? Discover how to choose the right PFAS water filtration system for your home.
Home Water Filter Applications: Solutions for Clean Water at Home
Discover the top water filters that remove PFAS, including whole house and under-sink systems.
Home Water Filter Applications: Solutions for Clean Water at Home
Tired of scale stains? Learn quick DIY fixes, point-of-use filters, and full-home Crystal Quest® softeners that perma...
Home Water Filter Applications: Solutions for Clean Water at Home
Learn how Total Dissolved Solids (TDS) affect your well water quality and what you can do.
Home Water Filter Applications: Solutions for Clean Water at Home
Guide to choosing the best whole house water filter system—covering flow rate, filtration types, pH options, and pair...
Commercial Water Filter Applications: Business Water Solutions
Learn about the best water filtration systems for commercial cannabis cultivation.
Industrial Water Filter Applications: Heavy-Duty Purification
Understand how wastewater treatment systems work, from primary filtration to advanced purification.
Water Filters for Health, Wellness & Home: Benefits Explored
Hard water isn’t just an annoyance - it costs money, irritates skin, and wastes energy.
Water Filters for Health, Wellness & Home: Benefits Explored
This guide explains ideal ppm levels, taste impacts, EPA limits, and Crystal Quest® fixes for every range.
Water Softeners and Salt-Free Conditioners: Informational Blog Insights
Unsure if you really need a water softener? Read about these warning signs and discove systems to solve each one.
Water Softeners and Salt-Free Conditioners: Informational Blog Insights
Find out how salt-free water softeners work, what they do, and whether they're the right choice for your home.
Point of Use Water Systems: Informational Blog Insights
Learn how POU systems work, what they remove, and which Crystal Quest filters are right for your space and lifestyle.
Try selecting different topics or clear your filters.
Explore in-depth topics on water filtration, treatment, and safety. Click a category below to dive into expert guides, comparisons, and insights tailored to your needs.
Most Popular
Read about whole-house, reverse osmosis, UV systems, and more—what to know, maintenance guides, and which is best for you.
Read About Water Filter Systems
Essential Reading
Read about different contaminants such as microplastics, PFAs, lead, and more. Learn why they matter, and how to keep your water safe.
Learn About Contaminants
Learn how reverse osmosis, ultrafiltration, ion exchange, and other methods purify and filter your water efficiently.
Read About Filtration Technology
Read articles on carbon GAC, fluoride removal, Alkalizing filters and various medias—which filters to use and what they do.
Learn About Media Types
Learn how filtration works for homes, medical facilities, labs, and industries like fracking—plus the ideal system for your use case.
Read About Water Filter UsesStay informed with our newest insights on water filtration, safety, and treatment solutions. Expert knowledge to help you make the best decisions for your water quality needs.
PFAS are turning up in tap water across the U.S. Learn what they are and why they're harmful.
Read Article →
Learn how water softeners use ion exchange to remove hardness minerals to eliminate scale, dry skin, and dull hair.
Read Article →
Learn how NAC Media offers a salt-free, eco-friendly solution to hard water problems.
Read Article →
From lead and chlorine to PFAS and bacteria, even “clean” water can carry hidden risks.
Read Article →Learn about water softening systems, maintenance guides, comparisons, and solutions for hard water problems throughout your home.
Discover the telltale signs that indicate you need a water softener for your home.
Read more →
Compare water softeners and conditioners to find the best solution for your home.
Read more →
Maintenance steps to keep your water softener running efficiently.
Read more →
Essential maintenance tips for keeping your salt-free water conditioner running optimally.
Read more →
Complete guide to whole house water filtration systems and their benefits.
Read more →Learn about dangerous water contaminants that may be lurking in your tap water. Discover their health effects, common sources, detection methods, and proven removal strategies to protect your family's health and safety.
Discover 5 natural causes of hard water—plus quick Crystal Quest® fixes to stop scale, protect plumbing, and keep you...
Read more →
Essential information about lead contamination in drinking water & effective removal methods.
Read more →
Comprehensive guide to understanding arsenic contamination and effective removal strategies.
Read more →
Everything you need to know about hard water, its effects and the best treatment solutions.
Read more →
Learn about fluoride in drinking water and discover effective filtration methods.
Read more →Explore the wide array of products Crystal Quest offers. Whatever system or use you might need, Crystal Quest has the perfect water solution for you.
Advanced multi-stage filtration with catalytic GAC, Eagle Redox Alloy®, and contaminant reduction technology.
9-13 GPM flow rate, perfect for 4-6 people. Removes chlorine, heavy metals, PFAS, and more.
Advanced filtration that both filters and alkalizes your water for improved taste and health benefits.
Affordable whole house solution that is effective and utilizes 3-stage filtration.
Ultimate purification removing up to 99% of all contaminants including PFAS, fluoride, and heavy metals.
💡 Pricing: Prices vary based on the specific RO configuration, storage tank additions, and optional enhancements such as remineralizing filters or UV water sterilization systems.
Perfect for smaller homes with less residents.
Mid-sized RO systems for average sized home use and residents, moderate to higher water consumption needs.
High capacity system for larger homes and increased residents with higher water demands and consumption needs.
⚠️ Note: The highest price reflects a fully equipped system and is not indicative of average pricing for typical requirements.
Compact, customizable, and affordable cartridge-based filtration solutions for whole house protection.
Single-stage SMART or specialized cartridge filtration for standard protection. 4-6 GPM flow rate.
Two-stage cartridge filtration that uses a SMART or specialty filter, followed by a carbon block for enhanced whole house protection.
Three-stage filtration that utilizes a sediment filter, SMART/specialty cartridge, and a carbon block filter for comprehensive protection.
Targeted solutions for specific water contaminants.
Crystal Quest Eagle Arsenic Oxide media effectively removes both As III & As V.
Calcium GAC or an aluminum oxide & calcium GAC media blend for effective fluoride reduction.
Uses Crystal Quest lead multimedia to target and remove lead, mercury, and other heavy metals.
Traditional softeners and salt-free conditioners for hard water treatment.
Ion-exchange technology removes calcium and magnesium for soft water.
Eaglesorb Anti-scale conditions water and prevents scale without requiring brine flushes or electricity.
Ultimate protection with filtration and traditional water softening.
Our water filtration experts are here to help answer any questions you may have, or help you find the perfect solution for your home's specific needs.
Monday - Friday | 9:00 AM - 5:00 PM EST
