AquaHouse
Bacterial Contamination / Sulfur Odor
Softener emits a rotten egg or musty odor in the softened water.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Bacteria growth in resin bed or plumbing, Hydrogen sulfide in source water, Infrequent regeneration cycles, Warm installation environment
How to Fix / Troubleshooting
Safety first: Do not drink water that smells strongly of sulfur or decay until the issue is resolved. Use an alternate source for drinking and cooking.
Step-by-step:
- 1. Bypass test: Place the AquaHouse softener in BYPASS and run water. If odor disappears, the softener is involved.
- 2. Sanitize system: Follow AquaHouse instructions to sanitize the resin tank and brine system using an approved disinfectant (often a measured amount of household bleach added to the brine well).
- 3. Increase regeneration frequency: Shorten the regeneration interval to prevent stagnation.
- 4. Test raw water: If odor is present in bypassed water, additional treatment (e.g., oxidizing filter) may be required upstream of the softener.
- 5. Replace resin if needed: Severely contaminated resin may need to be replaced with new AquaHouse cation resin.
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Repair Difficulty
Medium
3/5
Required Part
AquaHouse Cation Resin
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