diff --git a/docs/files/recipes/phmodifiers.md b/docs/files/recipes/phmodifiers.md index ca35e327e97537cf41aec0d87f908ea4b00fedba..d44135e422a1d4f57091ab452eaeee5608da2bda 100644 --- a/docs/files/recipes/phmodifiers.md +++ b/docs/files/recipes/phmodifiers.md @@ -110,6 +110,13 @@ Four PH modifying solutions of approx. 170 ml each (PH 1-2, PH 5-6 acidic, and P *Cutting tear-off strips, Loes Bogers, 2020* +*Soda ash and citric acid, Loes Bogers, 2020* + +*Preparing the acidic modifiers with citric acid, Loes Bogers, 2020* + +*Modifying until you get the right PH values, top to bottom: citric acid 2g, citric acid 0.1g, tap water, soda 0.1g, soda 2.0g, Loes Bogers, 2020* + + ## Variations on this recipe - Make a better design for the booklet, without wasting material. diff --git a/docs/images/phmodifiers1.jpg b/docs/images/phmodifiers1.jpg new file mode 100644 index 0000000000000000000000000000000000000000..78d11794693bec5a3c308ad4322c6a3bc38be4f5 Binary files /dev/null and b/docs/images/phmodifiers1.jpg differ diff --git a/docs/images/phmodifiers2.jpg b/docs/images/phmodifiers2.jpg new file mode 100644 index 0000000000000000000000000000000000000000..d6c8a05038f33464d28764c4e2bd10207e272e7a Binary files /dev/null and b/docs/images/phmodifiers2.jpg differ diff --git a/docs/images/phmodifiers3.jpg b/docs/images/phmodifiers3.jpg new file mode 100644 index 0000000000000000000000000000000000000000..e8136dc7c8d027333487107a9deedada0f698ead Binary files /dev/null and b/docs/images/phmodifiers3.jpg differ