Balcony Gardening

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Welcome to c/BalconyGardening @ slrpnk.net!

A young community dedicated to balcony gardening.

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Show off that vertical veggie garden 35 stories high. Or that bucket of potatoes you're proud of. Perhaps some fall mums that have been catching your eye through the sliding door into your living room. Any and all balcony gardens are welcome! Come and show your's off because we love to see it. :)

We also welcome ideas, tips, and items which have helped you in your balcony gardening journey. No balcony? Feel free to join in with your container garden with limited space too!

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Mold growth on soil-filled wicks submerged in water - cause for concern? (lemmynsfw.com)

submitted 1 month ago by [email protected] to c/[email protected]

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I have tried to make some self-watering plant boxes where I 3D-print some containers with holes to act as wicks to absorb moisture into a top container with soil. The wicks themselves are packed with soil.

However, some white mold quickly builds up around some of the holes (fairly self-limiting though, it does not get much more than what you see in the attached picture after some days since I first noticed it). I emptied the water and re-cleaned the box, and wiped off the wicks. The existing water had a slight sewage smell to it.

For now, the boxes are directly exposed to light, but will be built in by a wooden enclosure in the "final product".

Should this be of any concern for the plants growing in the soil? They will be edible greens.
Can I avoid this, while still using my 3D-printed parts?

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[–] [email protected] 1 points 1 month ago

Yeah, right. Soil decomposes, a polyester wick or expanded clay won't. Fill the baskets with it, and it will draw moisture from below, without any risk of rot.
If the reservoir is filled completely, the soil still should be way above the water level.

Still, keep an eye out for the moisture grade. Soil and any other organic media aren't allowed to be soaked constantly and usually need some drying in between. Damp is fine, but not wet.