Vegetables require a higher pH level than is found in most potting mixes and they love calcium. Add 2 cups of dolomite or hydrated lime to 2 cubic feet or 60 quarts of potting mix before planting. This will prevent blossom end rot. However, if your plants do develop blossom end rot, mix 1/4 cup of hydrated lime to a gallon of water. You can spray it directly on the plants or add it to the reservoir.
It is best to use dry fertilizer granules or plant food for vegetables. Choose a fertilizer that has all 3 numbers between 5 and 15. Do not use slow release or water soluble fertilizer. You will need 2 cups per 2 cubic feet or 60 quarts of potting mix. If you choose organic fertilizer you will need to use 3 cups. You will not need to add anymore during the growing season.
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