In terrariums, flood the container, then siphon off the excess water. Place the siphon as close as possible to the container bottom while draining. This helps prevent salt buildup and stagnation. If you are growing in a pot, use a plastic pot with drain holes. If your water is especially full of minerals, salty or basic, use rain or distilled water.
Some growers use pure peat moss with no sand.
Do not use potting soil, Michigan peat or soil-enriching additives. Flytraps like acidic, poor soils that don't stay waterlogged. This is probably due to the fact that older media gets leached of nutrients and also becomes less acidic. Trimming - When flytraps begin spring growth, they send up a flower stalk. Most growers cut this off to enhance trap formation.