Can you use epsom salts diluted in warm water, pour at base of sweet gum tree to eliminate gumballs the following year?

Check out this video. The important part for you is at 4 minutes and 10 seconds. You can put 1 tablespoon in 1 gallon of water.

https://youtu.be/3eeOt55hHS4

1 - 2 tablespoons of Epsom salts dissolved in a gallon of warm water sprayed onto the foliage once each month and one tablespoon of the salts, per foot of plant height, to be worked into the soil around the plant during the maximum growth period...

Lots of additional information online if you do a google search...

• Listerine and Vinegar. It has been suggested that a combination of an alcohol-based mouthwash, vinegar, Epsom salts, and water can help to restore hydration to cracked heels. ...
• Tea Tree Oil. ...
• Chamomile Tea. ...
• Rosemary. ...
• Lemon Juice. ...
• Lavender Oil. ...
• Peppermint Oil.

Old school home remedy that has worked for my family for many generations and I suggest it to anyone with a tooth ache or pain from their teeth.....
What you will need.....
Small sauce pan or small fry pan
Salt ( regular table salt)-- depending on how big of an area it is that is sore depends on how much salt you will need.
Piece of material/clothes/baby sock

Here's what you do.....
You pour the salt into the sauce pan or fry pan.
Put on stove and heat salt over med-low heat (like 2 or 3) untill salt is completely heated.
Pour hot salt on to cloth

Feeding. Lime trees, like all citrus trees, are heavy feeders and need fertilizing every couple of months. Use citrus plant food or slow-release fertilizer with extra nitrogen. The nitrogen content should be nearly double when compared to the phosphorous and potassium content; for example, 20-10-10
I have learned through out the years also that if your leaves are turning like a yellowish brown they are lacking magnesium. in that case add a tablespoon or 2 of epsom salt.

Treat your lemon tree like an Olympic athlete - feed well and regularly, hydrate well and keep diseases at bay. Trim out dead wood and if leaves are yellow, mix some Epsom salts into your citrus fertiliser. When you mulch, stay away from the base of the trunk - citrus are prone to collar rot.

A lemon is a fruit that needs plenty of water, heat and food. Give it a dose of Epsom Salts 1/2 teaspoon to a gallon of water over a period of time and keep it warm. They should ripen with the right climate.

Epsom salt can also quell foot odor, help heal fungus or ingrown nails, and soothe dry skin. You'll find this healing salt at most **** stores and pharmacies. In a standard size tub, dissolve one cup of Epsom salt in warm water and soak your feet for 10 to 15 minutes.

There are a few versions of this unit
If you are lucky your unit will have scews in the base
somtimes the screws are hidden by the rubb feet
or a label

Add other ingredients until the salt level is tolerable. Unfortunately the only way to de-salt is dilution. Good luck!