here is some info on treating cyano bacteria from when I had the problem
a couple yers ago


John Rutz writes:
the algae I have is realy dark green almost black
1

This sounds like a "blue-green algae" (cyanobacteria) bloom.
This can be very persistant.

at this point i would pay for normal pea green algae

Cyanobacteria tend to bloom when there's excess phosphate
and deficient nitrate. Adding nitrate can initiate a normal green
algae bloom, which will consume the phosphate, starve the
cyanobacteria ending it's bloom. The green algae bloom isn't
as persistant, and is easier to control.
One source of nitrate is hardware store stump remover (some
traditional brands are potassium nitrate, check the label).
Best wishes - Rod

2

Kh 130 PPM
aprox 15,000 g pond so how much copper sulfate to reach 1 ppm ( I
am mathematicaly chalenged here ) and do I need to remove plants for this

That is 3 level measuring tablespoons in 15,000 gallons water.
Dissolve each spoonful in a bucket of water and distribute it
as well as possible throughout the pond. Maintain good aeration.

It may affect azolla, duckweed, anacharis, cabomba, watermilfoil.
Other plants should be OK.

Note to others: dosage depends on alkalinity.
See table 8 in USDA "Calculating Treatments for Ponds & Tanks"
http://www.aquanic.org/publicat/usda...srac/410fs.pdf
http://www.dep.state.fl.us/lands/inv...or%20pubs/copp
er.pdf
- Rod

John Rutz
Z5 New Mexico

never miss a good oportunity to shut up

see my pond at:

http://www.fuerjefe.com