Yes blossom end rot is a cause of calcium deficiency we do sell a product for that it is called Nutri-Cal also
handpicking is usually effective against hornworms.
Nina
Hello Brenda,
All plants from A-Z will benefit from Spray-N-Grow. The Perfect Blend will be okay to spray on your plants it will not harm your fish.
Happy Gardening,
Nina
I'm sorry but you can not add the Nutri-Cal to the Perfect Blend. You will need to spray them three days apart before or after spraying the Perfect Blend.
Happy Gardening,
Nina
Spray-N-Grow