英国建筑商的铅笔方法显示烟囱泄漏导致发霉，专家敦促根部修复和自然疗法而不是漂白剂。 A UK builder's pencil method revealed a chimney leak causing mould, with experts urging root fixes and natural remedies over bleach.

一个名为"Hype Building"的建筑商推出了一种低成本的方法来追踪房屋中的潮湿和菌:用笔在墙上标记湿度的边缘, 使房屋所有者能够视觉监测问题是否正在蔓延. A builder known as 'Hype Building' promoted a low-cost method for tracking damp and mould in homes: using a pencil to mark the edge of moisture on walls, enabling homeowners to visually monitor if the issue is spreading. 该技术帮助查明破碎的烟囱是联合王国芬顿一家家庭渗入水源。 The technique helped identify a broken chimney cowl as the source of water infiltration in a Fenton, UK home. 专家们强调,必须先解决根本原因(如漏水或被损坏的固定装置),然后才能清理。 Experts stress that fixing the root cause—like leaks or damaged fixtures—must come before cleaning. 在线建议建议使用白醋和丁香油,比漂白剂更有效地杀死霉菌,防止再次出现。 Online recommendations suggest using white vinegar and clove oil to kill mould spores more effectively than bleach, preventing recurrence.