[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

镁棒更换周期取决于水质和使用频率:硬水地区(TDS>300)建议每1年检查更换,软水地区可2-3年更换一次,判断标准是镁棒消耗剩余不足原体积1/3或已断裂

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85%
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Long-term
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