Blog
Pool care insights from the Cusoon team.
Maintenance tips, seasonal guides, and equipment advice designed for pools in Exeter and the Seacoast.
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October 9, 2025
Read →October Close-Down: Avoid the Two Biggest Mistakes
Winterization is mostly about water balance and removing trapped water.
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September 11, 2025
Read →Pump Noises You Should Not Ignore
Grinding, whining, and rattling usually mean something is wearing out.
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August 14, 2025
Read →Heat Waves and Chlorine Demand
Why pools burn through sanitizer in August and what to do about it.
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July 17, 2025
Read →How Often to Clean Your Filter (Sand, Cartridge, DE)
Intervals are not calendar-based; they are performance-based. Here's how to tell.
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June 12, 2025
Read →Saltwater vs. Chlorine in New England
What changes (and what does not) when you switch systems up here.
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May 8, 2025
Read →Cloudy Water: The 30-Minute Diagnosis
A quick triage to separate filtration issues from chemistry issues.
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April 10, 2025
Read →Pool Opening Checklist (New England Edition)
A practical, no-skipped-steps order of operations for clear water fast.
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October 10, 2024
Read →Late-Season Water Balance (Why September Feels Different)
Cool nights change how your pool behaves; adjust your routine before you close.
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September 12, 2024
Read →Heater Not Heating? The Quick Troubleshooting Flow
Most heater calls come down to water flow, sensors, or simple lockouts.
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August 15, 2024
Read →Robot Cleaners: What They Do Well (and What They Don't)
Robots are great at dirt pickup, not great at replacing circulation and brushing.
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July 18, 2024
Read →Skimmer and Return Bubbles: Finding the Air Leak
Air in the system can ruin circulation, prime, and filter performance.
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June 13, 2024
Read →Algae Prevention That Actually Works
Most algae is a circulation problem first and a chemistry problem second.
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May 9, 2024
Read →Stabilizer (CYA): How to Stop Losing Chlorine to Sunlight
The right stabilizer level protects chlorine without making it ineffective.
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March 28, 2024
Read →pH vs. Alkalinity: The Relationship That Trips Owners Up
Balance alkalinity first so pH stops bouncing around all season.
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October 12, 2023
Read →Pool Safety Basics That Don't Feel Overbearing
Barriers, alarms, and habits that reduce risk without ruining the fun.
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September 14, 2023
Read →Variable-Speed Pumps: The Setups That Save Money
A VS pump only saves money if it is programmed around your pool's real needs.
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August 17, 2023
Read →Backwashing 101: When, How, and How Long
Stop guessing. Use your clean pressure baseline and backwash with purpose.
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July 20, 2023
Read →Rainstorms and Pool Chemistry: What to Check After
Heavy rain changes pH, dilutes sanitizer, and dumps organics into the water.
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April 27, 2023
Read →Waterline Rings and Stains: Prevention and Removal
Oils, pollen, and metals can mark your tile line fast. Here's how to stay ahead.
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March 30, 2023
Read →Spring Startup After a Rough Winter
When you open to murky water, focus on circulation and filtration first.