Dropped 2 Used Aa Batteries Into Water Change Water

[blue acara]

I accidently dropped 2 used size AA batteries into my water change water butt they were in there only a few seconds. Is it safe to use the water? It probably is safe just wasn't 100%. Any thoughts?

 

[Truck]

I accidently dropped 2 used size AA batteries into my water change water butt they were in there only a few seconds. Is it safe to use the water? It probably is safe just wasn't 100%. Any thoughts?

theyll be fine just take them out