How to make your own algal herbarium How to make your own algal herbarium thanks to Univ. Repeat this stacking for as many algal sheets as you have.
Herbarium presses use heavy weight on top to flatten plants.
Dry the stack with air flow to avoid mildew. You may have to change the blotters and spacers once before plants are dry. Remove the pressed plants and dry the blotters and spacers thoroughly before using them again.