- 1). Attach the straight plastic tube to one end of the flexible plastic hose. This is the water intake tube, and will be submerged in your fish tank and used to sift through the gravel for debris.
- 2). Position the bucket beneath your tank. Cover the output end of the hose with your thumb and hold it above the bucket.
- 3). Place the straight intake tube in the aquarium, tilted upward so that it becomes filled with water and all of the air escapes. Lift it out of and above the tank and hold it upward to keep the water inside.
- 4). Lower the output end of the hose into the bucket and remove your thumb to allow water to escape. As the water level lowers in the intake tube above, re-submerge it into the tank so that it stays full. Siphon is created by the movement of the water through the hose.
- 5
Waste and uneaten food will settle into the aquarium gravel where it will pollute the water unless it is removed.aquarium image by FotoWorx from Fotolia.com
Once the water flow is established, move the open end of the intake tube along the aquarium gravel to siphon out debris. To stop the siphon, pinch the hose or remove the intake tube from the aquarium.
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