How to know when to Fert.
I have over 15 orchids and I use MSU fertilizer and calmag. currently I flush on the 4th watering the other 3 times is with fertilizer. I am wondering how people remember when they last fertilized and when to flush since not all my orchids get watered on the same day. especially since I dont just have plants to care for but also am in college plus work it gets to be a lot on my mind. so how do others remember the times they fertilized prior...or any tips on how to know
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