free tanks

trejadan

Reefing newb
So I got a bunch of free tanks that I want to turn into reef tanks but the silicon is blue does that mean the tank has been dieses with some sort of medication that has cooper in it and if so will it kill my corals?
 
The blue most likely comes from malachite green (from Quick Cure or some other similar medication). I wouldn't trust it.

Copper is usually a yellow-tinted agent.
 
You can use them for qt tanks, or keep them fowlr. Get a copper test kit. But I agree w/ Erin -- I wouldn't risk it.
 
+1 Erin. Medications that contain malachite green can stain the silicone. If someone has used those meds in the tank, I can almost guarantee that they've also used copper based meds at some point.
 
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