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.
Adjust pH to 7.2 to 7.6. Wait 2 hours before adding algaecide. Mix the algaecide in a bucket of water and pour around the pool. Do not swim for 24 hours. Mix in a bucket of pool water and broadcast over the pool. Do not swim for 2 hours.