Need advice on cleaning out ibc totes that had mulch dye inside?

We picked up free totes for our new trailer but have a little bit of a problem if you to advice. The totes how dark mulch dye. What is the best way to clean out the IBC totes.
We are looking for any type of advice…

Dye and paint have a similar structure…so I would say fill it up with water and put in a 5 gallon pail of paint stripper and let it sit overnight. If you have more than one tote you can use the same solution in each tote…just take off anything that floats to the surface or sinks to the bottom. The next day you will need to neutralize the water before it can go down the drain, then do a rinse with isopropyl alcohol (rubbing alcohol) to remove any residue.

Website i looked at says youll be lucky to get it all removed.

I watched pro tank in my neck of the woods put the fittings on my new tanks. They drilled them, rinsed them out then used a shop vac to get the rest of the debris out Genius .

just in case you didn’t know, paint stripper is usually made of sodium hydroxide…but there are solvents in there too.

If you want the most economical way to make a paint stripper type product for this application it would be about 20 pounds of caustic soda beads; and two gallons of the purple degreasing stuff sold at most stores.

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