Signs and symptoms of foodborne botulism include: 1  Difficulty swallowing or speaking. 2  Dry mouth. 3  Facial weakness on both sides of the face.  Blurred or double 1  vision. Drooping eyelids.  Trouble 1  breathing. Nausea, vomiting and abdominal cramps.  Paralysis.
DOH 332-058 October 2013 Paralytic Shellfish Poisoning (âred tideâ) What is paralytic shellfish poisoning? Paralytic shellfish poisoning (PSP) is a serious illness caused by eating shellfish contaminated with algae that contains a toxin harmful to humans.OH 332-058 October 2013 Paralytic Shellfish Poisoning (âred tideâ) What is paralytic shellfish poisoning? Paralytic shellfish poisoning (PSP) is a serious illness caused by eating shellfish contaminated with algae that contains a toxin harmful to humans.
How to Shock Your Swimming Pool. Shocking is also known as super chlorinating. It's a way to keep pool water safe and clean by adding three to five times the normal amount of chlorine or other chemical sanitizer to the pool water to drastically raise the chlorine level for a short time.