How to Control Green Pond Water Problems

Intermediate 1 hour 12 steps 11375 views Rating: 4.7/5 Published: 2026-04-28

Make sure your pond has other filtration equipment.. Select a UV filter based on the size of your pond.. Mount the UV filter on a dry, flat surface.

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Steps

1

Make sure your pond has other filtration equipment.

Step 1

Make sure your pond has other filtration equipment.

2

Select a UV filter based on the size of your pond.

Step 2

Select a UV filter based on the size of your pond.

3

Mount the UV filter on a dry, flat surface.

Step 3

Mount the UV filter on a dry, flat surface.

4

Replace the UV bulb once a year.

Step 4

Replace the UV bulb once a year.

5

Get quaternary ammonia algaecide.

Step 5

Get quaternary ammonia algaecide.

6

Wear protective gloves and long sleeves.

Step 6

Wear protective gloves and long sleeves.

7

Mix equal parts algaecide and water in a tank sprayer.

Step 7

Mix equal parts algaecide and water in a tank sprayer.

8

Spray the algae in your pond with the algaecide.

Step 8

Spray the algae in your pond with the algaecide.

9

Add plants to your pond to starve the algae.

Step 9

Add plants to your pond to starve the algae.

10

Block sunlight from reaching your pond to stop algae growth.

Step 10

Block sunlight from reaching your pond to stop algae growth.

11

Add barley straw to prevent new algae from growing.

Step 11

Add barley straw to prevent new algae from growing.

12

Reduce the number of fish in your pond to provide less fertilizer for the algae.

Step 12

Reduce the number of fish in your pond to provide less fertilizer for the algae.

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