The most common cause of a goiter is lack of iodine, ...Even with the right amount of iodine, the thyroid gland can swell, creating a goiter. This can occur in any type of thyroid disease, including hyperthyroidism, hypothyroidism, thyroiditis, and thyroid cancer.
Shock treatment powder bags. Skim off whatever algae you can from the pool using a pool skimmer. Scrub the inside edges and walls of the pool with an algae brush to dislodge stuck algae. Purchase sufficient amounts of algaecide, as noted in the instructions on the bag, that match the total gallons of water in the pool.
Now there are more than 30,000 different types of algae. Their seeds, called spores, are constantly dropped in swimming pools by rain, wind, leaves, and other debris. It doesnât take much to make algae happy. Give it warm water, sunlight, and carbon dioxide and it will thrive.