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<p>[QUOTE=&quot;desertgem, post: 1635109, member: 15199&quot;]It wasn&#039;t caused by the acid, it was caused by either a defective top or over-tightening by the user. Notice these bottle have a conical plastic dropper and if they are overtightened, the pressure is on the center which causes it to break at the weakest part, the right angle between the top and side. Blame the thin cheap plastic top ( probably PVC).&nbsp; IMO.</p><p><br /></p><p>See this a lot in beginning chem and microbiology labs. Everyone is warned about certain reagents and overcompensates.[/QUOTE]</p><p><br /></p>

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