Blog
Guides from Crystal Blue Pool Service and Spa
Straight answers to the questions we hear most, written for our own customers.
October 20, 2026 · 3 min read
When an acid wash makes sense, and what draining and restarting a pool involves
It's a strong tool for a specific set of problems, and knowing which problems it fits saves you from an expensive step you didn't need.
October 20, 2026 · 4 min read
Salt water pools still need care: the salt cell, pH and scale
Salt makes the chlorine instead of replacing it, and the equipment that does that needs looking after.
October 20, 2026 · 4 min read
Signs your pool filter needs cleaning, and what a filter clean involves
The filter works constantly and quietly, and when it's loaded up, your pool tells you in a handful of ways.
October 20, 2026 · 4 min read
How a green pool gets brought back, and how to keep it from happening again
Green water looks like a disaster, but it follows a predictable recovery, and most of the work is in the order the steps happen.
October 20, 2026 · 4 min read
What a weekly pool service visit actually covers
Most of a good weekly visit is catching small things while they're still small, and the schedule matters more than people expect once the heat arrives.