Richard from Jacksonville Florida writes,
What is the mixing ratio of Peters Excel 15-5-15 Cal - Mag Special Fertilizer? parts per gallon?
The mixing ratio on the Peters Excel 15-5-15 Cal depends on the target fertilizer concentration after dilution you are looking to achieve according to the product label. For spray cans, it does say 1 tsp for 1 gallon of water.
Answer last updated on: 04/20/2015