Homemade Natural Fertilizer—15 Simple and Inexpensive Options
https://thegrownetwork.com/homemade-natural-fertilizer/
Wow! Just when you think you’ve seen, heard and read everything! I never knew of some of these uses for:
Aquarium water
Bananas
Blackstrap Molasses
Coffee Grounds
Cooking Water
Corn Gluten Meal
Egg Shells
Epsom Salts
Wood Ash
Gelatin
Green Tea
Hair (?!)
Horse Feed
Matches
Powdered Milk
Recipes at the link above. :)
Hair’s a good compost additive.