You can buy sealed terra cotta saucers, but it's also very easy to seal your own, especially if you already have a lot on hand!
Here is the link if you want to purchase this exact spray that I used in the video: https://amzn.to/3jeLVhb
For all my houseplant product recommendations, visit my Amazon shop: https://www.amazon.com/shop/ohiotropics
In March of 2022, I released my first traditionally published book, Houseplant Warrior: 7 Keys to Unlocking the Mysteries of Houseplant Care (Countryman Press, an imprint of W.W. Norton). To get your own hardback or eBook copy, click on this link and check out all my reviews: https://amzn.to/3NRbuTD