does any 1 think a mother plant will be alrite at 38c

no it needs to come down m8

will a k2 plant survive at 35 to 40 c

it might survive but it wont doit any good, try and get it down to 28c, not goin to be easy

it only a fridge type size any ideas as the humidity is 25 so me carnt increase the out let

Hello Don... first thing to do is fill out your profile...when people ask for help the first thing most of us do is click on your profile to see what kind of set up you have so we can give the best advice...
Do you have an inlet? passive or fan? Is it a 'fridge' size cupboard? what lighting are you using etc.
p.s. if your humidity is at 25% your plants aren't very happy either, one thing you can do is stick a damp towel in there...
good luck anyway...