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.
Shock Your Pool With Chlorine. To completely get rid of all the algae in your swimming pool, you need to double shock your pool even if itâs just a light shade of algae. Below is the recommended a guideline for double shock treatment to your pool. Pounds of Shock. Pool Gallons.