Growing Living Stones at 63rd Parallel North

i decided to start watering my living stones regularly twice a week. i spray them with water and every other time i bottom water and fertilize instead. my watering schedule for the month of november: on the 1st (sprayed), 4th (bottom watered), 9th, 11th, 15th, 18th, 21st and 26th. on the 11th of nov. i noticed that both of my argyroderma plants are changing their first leaves. almost all of the monilaria have already their 3rd leaves. they are growing very fast. my 2 conphytum plants or my 4 lithops plants haven't done anything yet. all of the containers have a lot of algae. on the 26th of nov. i noticed that the conophytum plants are also changing their leaves. my living stones are 3-month-old! towards the end of the month i began to lengthen the time between waterings and to reduce the light from the plant lamps to 10 hours a day. in the end of the month the temperatures dropped to freezing temperatures outside and the indoor heating started. therefore the humidity indoo...