zinc chloride

I annoyingly have found zinc chloride no longer solid, old stock which was not sealed properly. It is about 30ml in there. Waste collection? I am planning a collection at moment.....Thanks in advance for any info when these pesky sods absorb water


Lvl 37 Alchemist
Zinc Chloride solutions weaker than 0.1M can go down the foul water
Add it to a big bucket of water and flush it if it's already gone fully hygroscopic on you