Leaves standing up

Yo having problems
3x6 room with 1000 watt HPS and air cooled Shade
day temps 76 -79 40% Humidity
Night temps 70 - 72 40% Humidity
Growing WR 9 - 10 weeker and critical sensi star 8 - 9 weeker
in 3 and 5 gallon smart pots with 1/4 mini rockwool
Water 3 times per week fert 1
Using sensi 2 part, Big bud, and benies 1100 ppms
Week 4 day 29 flower
had hight ph 6.6 - 7.2
Got it down to 5.6 - 5-8 last week I ran out of Sinsi two part an the plants from all the flushing need food. So I used 2 tsp Cal mag grow by Advaced and 2 tsp Big bud.... on 5 out of 8 plants.
I got up this morning and the leaves are all pointing upward even on 1 of the 2 that didn't get food. No out problems! Should I be concerned?