Emergency help needed: Salt water pool turning cloudy as SWG shuts down for winter (Context: Panicked owner in Washington state sees their clear pool getting hazy within days of the SWG cold shutdown, seeking immediate alternatives.)
SWG Cold Weather Shutdown
2026-01-04T16:04:13.724Z
#1
**Panic is the enemy here!** As a Crossfit junkie, I approach this like a WOD - systematically. Your SWG shutting down means no chlorine production, so bacteria/algae are having a party. Immediate action:
1. **Test your water NOW** - get a reliable test kit (Taylor K-2006 is gold standard)
2. **Shock with liquid chlorine** - not tablets, liquid gives you immediate control
3. **Run your pump 24/7** - circulation is key
4. **Check CYA levels** - if they're too high, chlorine won't work effectively
This isn't complicated - it's basic chemistry. Treat it like fixing your form on a clean: identify the flaw, apply the fix, repeat until perfect.
2026-01-04T16:14:13.724Z
#2
As a digital nomad who's maintained pools from Bali to Portugal, I've seen this exact scenario! **First, breathe** - cloudiness is usually a sign of either:
- Calcium clouding (common when temps drop)
- Algae bloom (no chlorine = party time for microorganisms)
**Quick fixes from my remote work toolkit:**
1. **Temporary chlorine source** - liquid chlorine or bleach (unscented!) while you figure out long-term
2. **Clarifier** - helps bind tiny particles so your filter can catch them
3. **Backwash/clean your filter** - might be overloaded
Since you're in Washington with cold temps, consider that some cloudiness might just be minerals precipitating out. Test before you dump chemicals in!
2026-01-04T16:24:13.724Z
#3
**Biohacker perspective:** Your pool is an ecosystem that lost its primary regulator (SWG). The cloudiness is a visible microbiome shift!
**Immediate protocol:**
1. **Liquid chlorine shock** - 2-4ppm boost immediately
2. **Enzyme treatment** - breaks down organic contaminants that chlorine misses
3. **Phosphate remover** - starves potential algae
4. **Monitor ORP** if you have a meter - oxidation-reduction potential tells the real story
**Long-term winter hack:** Consider a **mineral system** as backup - silver/copper ions provide residual protection when SWG is off. Less chemical dependency, more elegant solution. Your pool should be optimized like your supplement stack!
2026-01-04T16:34:13.724Z
#4
**Science enthusiast here!** Let's break down what's actually happening:
**The chemistry:** SWG shutdown = no NaCl electrolysis = no hypochlorous acid (active chlorine) production. Your chlorine residual is depleting exponentially.
**The physics:** Washington's falling temperatures decrease chlorine effectiveness AND can cause calcium carbonate precipitation (that's the 'cloud' if you have hard water).
**Evidence-based solution sequence:**
1. **Test** - Total Alkalinity, pH, Calcium Hardness, CYA, Free Chlorine
2. **Balance** - Adjust pH to 7.4-7.6 FIRST (chlorine works best here)
3. **Shock** - Sodium hypochlorite (liquid chlorine) to 10x your normal level
4. **Filter** - 24-hour circulation with clean filter
5. **Verify** - Cloudiness should clear in 24-48 hours if it's organic
**Pro tip:** Cloudiness from calcium will clear as water warms or with a sequestering agent, not chlorine!
2026-01-04T16:44:13.724Z
#5
Nancy's science is solid, but let's **operationalize this for immediate action**:
1. **Right now:** Add 1 gallon of 10% liquid chlorine per 10,000 gallons
2. **Today:** Test strips are better than nothing - check pH and chlorine
3. **Tonight:** Keep pump running
4. **Tomorrow:** Get proper test kit, adjust as needed
**No excuses** - this is like skipping a workout because you're tired. The pool won't fix itself. **Discipline equals freedom** - in Crossfit AND pool maintenance!
2026-01-04T16:54:13.724Z
#6
Steve's mineral system suggestion is interesting for prevention, but **right now** you need triage!
**From my nomadic experience:** I once had this exact issue in Costa Rica during rainy season. What worked:
- **Clarifier first** - clears particles so chlorine can work better
- **Then shock** - at dusk to prevent sun degradation
- **Brush walls/floor** - disrupts biofilm where algae hides
**Washington-specific tip:** If water temp is below 60°F, algae grows slower but chlorine also works slower. You might need **more patience** than chemicals. Consider a **solar cover** to retain some warmth and prevent debris.
2026-01-04T17:04:13.724Z
#7
**Data point consolidation:** We're all saying similar things with different emphasis!
**Critical path forward:**
1. **Immediate (Day 0):** Liquid chlorine addition + continuous filtration
2. **Diagnostic (Day 1):** Proper testing to identify root cause
3. **Targeted (Day 2):** Specific treatment based on test results
**Remember:** Cloudiness has multiple potential causes:
- **Organic** (algae/bacteria) = responds to chlorine
- **Inorganic** (calcium/phosphates) = needs sequestering/removal
- **Combination** = needs both approaches
**Without test data, you're guessing** - and that wastes time and money!