[Dave Willis]

How long would a backpack (like the one Gardiners sell) last if you pumped a chemical through it? I have a job coming up that requires a kind of bleach to be sprayed on a limewashed building - I've done it before using the vans pump and sticking the feed pipe in the solution. I'd prefer to use a pump up sprayer but for the money a backpack isn't that expensive, could be handy for spraying dilute 101 or washing windows if the pump rubbers lasted.

[Smudger]

We use 2 dedicated backpacks for delivering g101, no ill effects on them, however bleach is another matter, any metal parts will instantly corrode ( assuming you are using sodium hypochlorite and not household bleach which is very weak ) and if the seals are not Vitton they will perish quite quickly.

But if you give a good flush through with water straight after then maybe you'd be ok

Personally I'd check with Alex

Darran

[Neil Jones]

Dave call me tomo if you want, I did exactly the same a few week ago.

07763713246

[Dave Willis]

I don't remember the exact chemical, the customer supplied it last time it's some kind of fungicide went through a normal pump ok with no ill effects.

[Smudger]

Then you'll be ok
Backpacks are after all chemical sprayers for the lazy!!

Darran