Blogs

Helpful guides for clear whole house water filter housings, algae growth, sunlight exposure, and fitted filter covers.

• Why Is There Green Algae in My Whole House Water Filter?
  
  
• How to Stop Algae Growth in a Clear Water Filter Housing
  
  
• Does Sunlight Cause Algae in Whole House Water Filters?
  
  
• GE GXWH40L Algae Problem: What Causes It and How to Fix It
  
  
• Culligan WH-S200-C Algae Problem: What Causes It and How to Fix It
  
  

These guides explain why clear filter housings can turn green, how sunlight contributes to visible growth, and when a fitted cover can help block light while keeping the housing accessible for maintenance.

Shop fitted covers: GE GXWH40L water filter cover and Culligan WH-S200-C water filter cover.