[APD] RE: Fish Killing Algae

[James H <spreerider at gmail_com>]

Im an electrition that works out on fish farms on the bc coast of
canada, algea blooms are a big problem at the farms as many different
types of it are toxic to fish or produce toxic chemicals, most fish
dive deep during the blooms but atlantic (no algea blooms on atlantic
coast)  salmon swim closer to the surface and die, this is quite a
common problem as the water here is so nutrient rich that algea lasts
all summer.  most farms install huge blowers to airate the water
around the farm.  or they create a bubble wall that keeps the fish
down low.
james

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