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.
If you use your manual suction vacuum, the algae will blow right past your filter system and back into your pool. If you have to vacuum manually, make sure you set your filter to âwasteâ or remove the drain plug. You will lose a lot of water, but the algae canât come back in through the return line. It will be vacuumed directly out of your pool. Using any type of automatic cleaner is a bad idea when you have algae.