Overfeeding is the number-one cause of high nitrate levels in aquariums. Overfed fish produce much more waste than normal, and when more food is given than they can take in, the uneaten food rots and produces even more wastes. Keeping too many fish in a tank also leads to problems with accumulated wastes.
Symptoms Caused By Esophageal Ulcer. One classic symptom is a dull or burning pain. It is common with all forms of peptic ulcers. The affected person may feel the pain radiating within the areas starting from the navel up to the breastbone.
My Esophagus Burns When Eating. Burning in the throat may be a sign of an esophageal ulcer. Photo Credit Jupiterimages/Photos.com/Getty Images. Burning that occurs in your esophagus when you eat is most likely the result of an esophageal ulcer. Burning and pain are the most common symptoms of peptic ulcers that may be aggravated when you eat. Chronic burning in your throat needs to be evaluated by your doctor. The most common treatment for this condition is triple-therapy antibiotics because the open sores are most likely caused by a bacterial infection.