K Kid212 Active Member Oct 6, 2020 #41 potassium Bi-carbonate next year. Love how they can change colour with the temperture. Attachments 20200930_184347.jpg 1.5 MB · Views: 12 20201002_061431.jpg 2.4 MB · Views: 12 20200929_192039.jpg 1.4 MB · Views: 10
