private void CheckWaterReduce()
{
//happens every minute for every plant
var start = DateTime.Now;
var oldDate = DateTime.Parse(plantStats[7]);
if ((start - oldDate).TotalMinutes >= 1)
{
plantStats[5] = (Int16.Parse(plantStats[5]) - water_down_per_minute).ToString();
plantStats[7] = DateTime.Now.ToString();
//database
db.ChangeWaterLevel(transform.name, plantStats[5]);
db.ChangeWaterDate(transform.name, plantStats[7]);
}
}