Yea the bulb fins do get hot but not hot enough to worry about 👍
Ok so i left the times the same as my old spotlight so the chaeto light comes on at 10pm at night and goes of at 12pm the next day
I tested my water at 5.30am this morning and got
My PH has dropped abit as it used to hold steady at 8.2 at night with the spot light on
I havent noticed and change in the chaeto yet apart from not getting that brown film on the waters surface.
Anyways i will keep you all informed in the next few days on its progress