Oxygenating Plants Pack for Live Ponds or Aquariums These oxygenating plants keep the water clean and filtered in your water garden or aquarium. They remove excess fish waste and fish food from the pond or fish tank. You get 10 plant bunches which can be separated and planted separately Anacharis and Hornwort can be grown floating or submersed Provide natural resting and hiding places for your smaller fish For ponds, the general rule is to have 1 bunch for every 20 gallons. Do not use in ponds with Koi fish, they will eat these plants.