New pond water turning green

[lovefishing]

my 2800 gallon pond is starting to turn a clowdy light green. The pond has been running for 2 weeks/ The botton is still visiable but is there anything i can do to stop it? 3000gpm pump, 4 small living koi and i added 1/2 bottle of bacteria.

[RogerMcAllen]

More plants or barley straw should help.

[dianeww]

I've always called my UV sterilizer my green water miracle-worker! But this season I have WAY more plants than in the past, and no green water, even with no sterilizer running.

I get GW for 1-3 weeks in spring, then it goes away on its own.

I do agree, lots of plants, esp. floaters, water hyacinth and water lettuce. Two-fold benefit: 1) massive hanging root systems, taking up nutrients at a prodigious rate; 2) they shade portions of the pond, keeping the sunlight from "powering" the single-cell GW algae.