Water Storage Treatment 2 oz Glass Bottles 60 gallons Purification vs UltraPress Purifier Bottle: which is safer?

Where these two actually differ

• We flag Chemical overdose or misuse, Degradation and loss of efficacy over time, Glass bottle breakage and spillage and Chlorine residue and taste/odor on the Aquamira and not on the Grayl.
• We flag Bacterial growth in filter cartridge, Activated carbon dust or particulates, Filter housing material degradation and Contaminant rebound after filter saturation on the Grayl and not on the Aquamira.
• The Aquamira is glass bottles, sodium dichloroisocyanurate treatment chemical where the Grayl is BPA-free plastic bottle body, coconut-fiber replaceable filter media, which is most of the difference in these two grades.
• These two are 5 points apart, close enough that price and fit should decide it rather than our grade.