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.
Item: # Y1000 1 qt. Item: # Y1012 12 x 1 qt. Item: # Y1006 6 x 1/2 gal. An initial dosage of 26 ounces of In the Swim pool algaecide for every 10,000 gallons of water will control and prevent algae growth in your pool. Regular maintenance every other week of 16 ounces per 10,000 gallons of water will keep your pool crystal clear and free of algae.