Pufferpunk;3486604; said:Use with caution--any time in the air will cause some die off. I wouldn't add a lot at one time into an established system. Also, there are some worms you really want to inspect for (do a search for fire worms & euncid worms)--they eat fish!
indiana.dutton;3487517; said:be carful think about it like sex, check for diseases AND use protection