Plagiomnium moss it will be dark green color in winter time, so it will be regrow after temperature goes up.
Light: indirect, put in a shadier spot in your scape for best results 6,500k-7,000k grow light 10 hours a day
Water: can take tap but would prefer R.O. or distilled water misted anytime the leaves look thin and curl rather than fluffy. Water frequency depends on the metabolism of the plant that is affected by the environment. Get to know about your growing conditions and make observations about the moss to determine watering frequency.
Pruning: You can trim or pull out based on aesthetic but it's not necessary for health. In low humidity this moss will crawl covering other plants, and in high humidity get really tall.
Fertilizer: NEVER use a soil or a synthetic fertilizer you WILL burn your moss. You may periodically use a HEAVLITY diluted organic fertilizer, skip this if you're putting your moss in a bioactive enclosure.
This moss can die back quite dramatically due to stress, continue to care for it! It can take up to two months to recover, but it will.