MSU Fertilizer 13-3-15 8Ca-2Mg RO/ Tap/Rain Water Formula (250ml)
This is the best orchid fertilizer available in the market!
Developed by the Michigan State University, this orchid fertilizer is specifically formulated for orchids. With the addition of calcium, magnesium and other micro-nutrients, you no longer needs to switch various formulas.
For more information on the MSU Fertilizer, check out this article from the American Orchid Society (AOS): https://www.aos.org/Default.aspx?id=417