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Hi guys,

After I learned that green stuff is epoxy putty. I brought some AquaMend Underwater Repair Epoxy Putty from Home Depot. Is there a difference compare to the real green stuff?

Probably cure time.

If it goes off and sets hard within 15 minutes, it isn't the same. It may be useful for rough forms (and use actual GS for detail work) though.

Epoxy putty is a 'family' (ie there is more than one type).
Green stuff is simply rebranded Blue-Yellow kneaditite (made by PSInc) and sold by GW at a markup.

Generally the Home Depot stuff has a very large grainy texture to it. Kneadatite (green stuff's real name) is extremely smooth.

Couldn't say without seeing this particular brand, but hardware putties tend to be a coarser grain than sculpting putties. So whilst it's probably going to be fine for gap filling and the like, I wouldn't expect it to be much good for fine detail work.


After a quick google, it would appear that what you've bought is actually made by the same people as green stuff (Kneadatite)...

It's fiberglass-reinforced, which means it probably has tiny gritty bits through it, so definitely out for fine detail work. It will set harder than green stuff, though.

It's also a rapid setting putty (sandable after an hour), so you'll get next to no working time.

Thank you, you guys are right. The aquamend is very rough and drys very fast. No good.

It's probably not completely useless, though. I have something that sounds rather similar, that I use for making rocky outcrops on bases like this:



For that sort of work, the fact that it sets quickly isn't a problem, since it only takes a few seconds to shape a rock. The hardness of it is a bonus for basing, as it makes it more sturdy. And the texture is all good for rocky surfaces.