Heat pump temperature output is based on several factors, the outside temp is one of the most important. Outside temps in the mid 40's to 50's should result in a supply temp of mid 90's to mid 100's. Something is wrong with your unit. Found the following on a pro HVAC forum-----.
Another example is Sargassum, which creates unique habitats in the tropical waters of the Sargasso Sea. Many brown algae, such as members of the order Fucales, commonly grow along rocky seashores. Some members of the class, such as kelp, are used as food for humans.
Toxic Blooms. Some algae produce toxic chemicals that pose a threat to fish, other aquatic organisms, wild and domestic animals, and humans. The toxins are released into the water when the algae die and decay. The most common and visible nuisance algae in fresh water, and the species that are often toxic, are the cyanobacteria. A cyanobacterial bloom will form on the surface and can accumulate downwind, forming a thick scum that sometimes resembles paint floating on the water.