Hello everyone, I purchased another bottle of purple up from a local pet store a couple of days ago but have been a bit hesitant in using it within my aquarium because after unscrewing the cap the bottle did not have a seal. I cannot remember from a previous purchase if their was a safety seal on the bottle? Does anyone remember after unscrewing the cap if they had to remove a safety seal from this bottle? I just don't want to us something that someone else might has used and just replaced with water... especially not
RO/DI water.
