Mold Watch – February ’23

Mold is a living organism and, therefore, has conditions needed to support that life. So before committing to the time, money, and effort to build a greenhouse-enclosed home, I researched the potential for mold in the home. Once I knew what conditions mold needed to grow, I could try to find ways to maintain the home’s environment in such a way that it did not support mold growth. I figured this couldn’t be an impossible task because even in the perpetually damp Pacific Northwest I’ve never had a mold issue in any home of my previous 60 years.

Before construction I documented the plan in this post: But What About Mold? Now that I’ve been living in the home for 5 months, this is a periodically recurring update on any signs of mold. Although I will be looking all over the house and greenhouse throughout the month, the following are the most likely places for mold to first appear so I will provide the monthly update on the locations in the table below.

During the month, the average temperature and relative humidity:

LocationAve TempRelative Humidity
Kitchen65 F
18.3 C
Greenhouse44 F
6.7 C

In late February I received the outdoor weather station so have started to collect data for outside the greenhouse and will start adding that with the March update.

Current Conditions

There are 4 pieces of wooden furniture in the greenhouse sitting area that I inherited from my grandparents. During a more extensive mold search during February, I noticed white fuzzy mold on these pieces. I washed them with hydrogen peroxide and the mold has not returned. Still, I’ve added that to the areas to check each month.

ShowerNo visible sign of mold
ToiletNo visible sign of mold
LaundryNo visible sign of mold
Kitchen SinkNo visible sign of mold
Metal Siding at West PoolNo visible sign of mold
Metal Siding at South Potting BenchNo visible sign of mold
Cedar Siding at East PondNo visible sign of mold
Sitting Area FurnitureNo visible sign of mold

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