Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to plant a java fern [title] Place a fern that's attached to driftwood into your tank. [step] If you buy a java fern at a pet shop or even order it online, it will often come pre-attached to a small piece of driftwood. In this case, you can simply place the fern and driftwood into your aquarium as-is, since java ferns grow best when attached to driftwood or stone.

Ending1: [title] Put your java fern in a 6-8 inch aquarium. [step] There will most likely be some driftwood on top of the java fern. Ending2: It will usually take about 8 to 12 hours for java ferns to establish themselves in your aquarium. [title] Add a potted fern to a south-facing aquarium. Ending3: [substeps] Tie your fern to driftwood using thick string or rubber bands. Place the fern at least 1.2 feet (0.9 m) in front of the driftwood. Ending4: [substeps] Often, the fern will be attached to the wood with a thin thread that should dissolve over time in the water. The root system of the java fern will hold it in place.

Answer format: ending1/ending2/ending3/ending4