Is there no way to surpass the use of a heatmat? as mine is used inside the cave it can cause thermal blocking? I'm getting a better understanding now however that the lamp is mainly used for ambient temperature, but surely it would also heat the sub terrain to a reasonable level that it could be used for the hot side? I just need a way of keeping the ambient at 28ish but also maintaining a cold side and a night time temperature without it dropping completely below recommended temperatures
ADDED - I guess I'm trying to form some kind of shopping list as I definitely need a lot more in terms of temperature moderation, for such a big tank I only have on thermostat set up the heat mat and a basking light at the opposite end of the viv which I was told to just turn of manually after 12 hours.