Joint pain can be an early symptom of many different diseases. In rheumatoid arthritis, symptoms often develop slowly over a period of weeks or months. Fatigue and stiffness are usually early symptoms. Weight loss and a low-grade fever can also occur. Joint symptoms include: 1  Painful, swollen, tender, stiff joints.
Alkalinity Balance, pH up, pH down, Calcium Balance, Water Stabilizer, and clarifier are all swim-safe chemicals. Wait about 20 minutes, and you are free to swim. We suggest adding algaecide, Super Erace, and shock at night, after everyone is out of the pool. It is safe to swim again the next day.
6) 24 hours after step 5, shock the pool again. The pool will clear up within the first 24 hours (no more sickening green/yellow color). 7) allow the pool to return to normal levels - test the water and make adjustments as necessary. Mustard algae will return in force if you don't get it all. Make sure the levels of chlorine are kept to the optimal for your system.