uv filter advice

i have been having problems with green alge in my pond a was thinking about adding a uv filter to it iu heard it makes the water starile and i dont want that

UV filter will take the algae out of the water column. UV will not sterlize the water totally. You can't pass the water over the light slow enough as per the aquacuture industry. Fish farms use them but understand it doesn't kill everything. Your pond will clean up nicely. Buy for the size of your pond.

Dr. Who wrote:

UV filter will take the algae out of the water column. UV will not sterlize the water totally. You can't pass the water over the light slow enough as per the aquacuture industry. Fish farms use them but understand it doesn't kill everything. Your pond will clean up nicely. Buy for the size of your pond.

i jus dont want it to kill benifical bactria of nutrients in the water for the plants thats really my only concern thanks

Most of your beneficial bacteria are sessile - that is, they prefer to be attached to surfaces. Generally, if they touch one, they'll attach. The only time you'll have a lot of beneficials in the water column is when there's been a large bloom of them. Then the excess bacteria will float in search of a new surface to adhere to.

I use UVs in all of my tanks and turn them on whenever I get cloudy/green water. I then turn them off once the water clears. Generally, they are used only a few days each month. This way I extend the life of the bulb dramatically.

2SciCrazed wrote:

Most of your beneficial bacteria are sessile - that is, they prefer to be attached to surfaces. Generally, if they touch one, they'll attach. The only time you'll have a lot of beneficials in the water column is when there's been a large bloom of them. Then the excess bacteria will float in search of a new surface to adhere to.

I use UVs in all of my tanks and turn them on whenever I get cloudy/green water. I then turn them off once the water clears. Generally, they are used only a few days each month. This way I extend the life of the bulb dramatically.

thanks for the info