Do Goldfish Keep Horse Water Clean?

Goldfish can also help keep your horses' water trough clean—under the right conditions, of course. Goldfish can live off the algae growing on the trough walls and floor, and they will also eat mosquito larvae (yay!), as well as some insects that may fall into the water.

Can you put goldfish in horse water?

Anecdotal evidence suggests placing common goldfish in horses' water tanks will help keep the troughs clean and free of algae. ... “Algae is a growing problem” during warm months, she said. “Small quantities can turn water green and affect horses' intake, while large quantities can be toxic.

Do goldfish keep a stock tank clean?

Although we think of goldfish as dirty, they are actually quite clean. ... When using goldfish in livestock water tanks, you do not need to feed them. Although you may want to, the goldfish will not need the additional nutrients and can survive in the tanks with the nutrients present in the stock tank.