Answers to Basic Pool Questions


Not everything always goes as planned; sometimes your pool has problems. A BioGuard dealer who has gone through our exclusive H2Know certification is able to correctly diagnose just about any pool condition. Below are some common problems even experienced pool owners can have along with our recommended solutions. Your best solution is to bring a water sample to your local BioGuard dealer for an expert ALEX water analysis.

Black Algae

Black patches appearing in cracks, crevices and surfaces - LEARN MORE »

Green Algae

Green-coloured water or floating plant-like growth - LEARN MORE »

Mustard Algae

Yellow, dirt or sand-like growth on pool walls and bottom - LEARN MORE »

Cloudy Water

Hazy or murky conditions that reduce visibility - LEARN MORE »

Evaporation/Heat Loss

Excessive loss of water or sudden drop in heat levels - LEARN MORE »

Excessive Chlorine Loss

An inability to maintain the proper chlorine residual - LEARN MORE »


Excessive foam appearing around water features - LEARN MORE »


Chalk-like substance on pool surfaces and equipment - LEARN MORE »


Dark black, brown or purple stains on sides and bottom - LEARN MORE »

Eye/Skin Irritation

Burning sensation that occurs during or after swimming - LEARN MORE »

Waterline Buildup

Slimy or rough buildups near waterline of pool edges - LEARN MORE »

Do you have a problem that you don’t see listed?

Your local BioGuard Dealer can help you diagnose and solve your problem! Stop by with a water sample to get started.