Dear Alan This is what I was thinking about the red tide at 04h00 this morning….. Maybe it is due to the seismic survey ship – which has chased the whales away. The red tide is caused by phytoplanktons which feed on nutrient rich water. The whales would have eaten the nutrients but because they […] MyPE Read more on MyPE. Join the fun: Add Your event | … [Read more...] about What caused the recent Red Tide in Algoa Bay? |MyPE