Fertilizer
Nutrient Solution for Semi Hydroponics
https://gardeninglatest.com/nutrient-solution-for-semi-hydroponics/ To ensure proper nutrition, it's important to fertilize your plants regularly. The type of fertilizer you use will depend on the plants you're growing and the growing medium you're using
Does Fertilizer Go Bad?
Does fertilizer go bad or does it persist indefinitely with no loss of nutrients? Fertilizer that has been sitting in the store for too long may not perform as well as it should. Your lawn or garden may benefit from fertilizer for a longer period of time