Good to know, thank you! Issue is I lost that part of the label, but can find out from Bayer. The article Orchid Whisper send says 15:75 and I recall the btl says to add the chemicals to the water. I have a full bottle (32 oz) but may need a second to treat everything as many times as I will need, another reason to hold off until warm weather. Living on a fixed income really exercises one's patience!