Jan 20, 2013 #1 nathanden Aquarium Advice Freak Joined Jan 5, 2013 Messages 390 Is leaf zone api safe for plecos and clown loaches?
Jan 20, 2013 #2 Rivercats Aquarium Advice Addict Joined Jul 25, 2012 Messages 13,144 Location Missouri Yes, it contains potassium and iron. I use alot of ferts and have pleco's and loaches.