I have a 3000L pond that I stock with 4 Tomans and large goldfishes, along with 2 turtles.

I found lice all over the Tomans, I netted 1 out and did manual removal. However, it is very tedious and it took me almost an hour to catch the fish. I think I removed move than 50 lice from 1 fish.

I think it will just get re-infested again when I put it back anyways.

How do I treat the whole pond, without spending hundreds of dollars?

Sent from my iPhone using Tapatalk