[header] How to clean aquarium plants [title] Use your fingers. [step] Wash your hands thoroughly. Next, gently rub the algae off of plants while the plants are still in the aquarium. 
Remove any algae that you've rubbed off from the aquarium. [substeps] Once you have clean plants, maintain their cleanliness on a weekly basis by rubbing the algae off them while they are in the aquarium.