When the water turns on you
Start with what you see. We’ll point you to the right chemistry — not a random aisle of bottles.
What do you see?
Pick the symptom that matches. Each guide starts with a quick answer and what to test first.
It’s going green
Most commonAlgae roadmap: brush, filter, chlorine.
See steps
Coming soon
It’s cloudy / murky
Clarity without panic dosing.
Coming soon
Strong chlorine smell
Often chloramines — not “too much chlorine”.
Coming soon
What kind of algae
Green vs mustard vs black — what changes.
Coming soon
Scale & calcium marks
Hard water deposits on tile and equipment.
Coming soon
Foam on the surface
Pool or spa foam — different causes.
Coming soon
Eyes burn / irritates
Balance first — not a medical diagnosis.
Coming soon
Metal stains
Brown or blue-green marks from metals.
Before you dose
Expertise isn’t about the quantity of chemicals, but the sequence of steps.
Know when to stop DIY
Equipment failure, stubborn black algae, or electrical issues — call a pro.
Covered in each guideLatest problem guides
Newest first. Tags show the symptom family.
It’s going green
Algae roadmap: brush, filter, chlorine.
See steps
Coming soon
It’s cloudy / murky
Clarity without panic dosing.
Coming soon
Strong chlorine smell
Often chloramines — not “too much chlorine”.
Coming soon
What kind of algae
Green vs mustard vs black — what changes.
Coming soon
Scale & calcium marks
Hard water deposits on tile and equipment.
Coming soon
Foam on the surface
Pool or spa foam — different causes.
Looking for something else?
Problems is for symptoms. If you need numbers, dose, or a weekly plan — jump there.
- I have test numbers — what do they mean? pH, alkalinity, chlorine, CYA, shock — parameter hubs.
- How much should I add? Dose calculator — estimate, then retest.
- Water is fine — I need a weekly rhythm Care programs and first-year map.
- Which test kit or shock should I buy? How to choose gear before you stock the shelf.