DWC 5 gal. early veg.wilting after first change?

[satch]

Ok clone is in veg for 2 weeks doing ok but had mag def. so i did a nute change including tap water bubbled for 24 hours starting ppm of 56, gh floranova grow2 teaspoons,calmag 2mil.,h202 at 1mil.4 drops superthrive ,1mil.rapid root. ph at 5.8, tds using 1382 meter @520 approx. 3 gallons of water. new water temp 69deg f.
i know the water temp of old water was 74.could the temp change be to drastic.they wilted within 10min.
any input appreciated

 

[satch]

well it's seems to be doing ok now i think it was the temp difference coupled with too high water level in the bucket.