Help:spider mite

Ok I know how to get rid of spider mites and i rarely have issues with them,I always spray my plants down when i receive them and also 2x veg and 1x flower. Hate those spider mites lol, any way i received a blue widow clone from a friend he grew out his mother and i loved it so wanted a clone.

Any way i took it home and i noticed a bit of spider mites on the bottom of the leaves so i kept it at my bros house while i treated it 4 days later No signs of em clone is 1.5 feet tall i took a cutting then i threw into my flower room. a few hours later, i check my other plants wich is about 18 of em nxt to the clone and i realize it still had spider mites i immediatly took it out and sprayed it down again.

My question is should i be worried about the other plants even tho it was only in there for a couple hours? (i think just 5 mins is enough for those bastard to spread)but want to kno if any1 went thru this?? or has any input in my situation?

you think i should spray em down tonight during feed, they are in 3rd week of flower.

for my immediate solution spray i use liquid lady bug. and as for my preventive i use a combo of leaf shine,az max, and sm-90

Thanx in advance ,happy growing

Azamaz spray and no pest strips. How big a grow space?

check my thread

5x9 and i just feed them and they appear to have them:/ i sprayed them down with 1 1/2 liter sprayed under the leaves starting from stem etc after an hour i checked and there was a lil black dots but not close to what there was and there still eggs here and there but nothing crazy but still ive had my experience with them and know how they can spread want to cure asap dont wanna spray nothing after 4 th week of flower.

Solution:
Azmax:1/4tsp
neem oil:1/4tsp
SM90: 1/4tsp

When should i spray again and i think im going to double dose maybe even 4x more for azmax and never heard of no pest strips will look into it, Thnx guys for any info want to have a good harvest