Problem with filler - not strong enough

[OM2]

@DiyNutJob Sorry... I think I got confused
I've got the white filler - for which I understand is for decoration only
For the mortar mix mix you mentioned... can I get ready mixed?

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@freddiemercurystwin... that diagram helps. If I want to fill the hole behind the filler, what should I use? The mortar mix?

 

[DiyNutJob]

For small amounts, best to buy the raw materials and mix yourself, assuming you have the place to store them. Cement can be stored forever in 2ltr cola bottles. Ready mixed is expensive and then expire after a while. Also you are unlikely to find a tiny tub.

Wickes Mix in the Tub Mortar - 5kg | Wickes.co.uk

Wickes Mix in the Tub Mortar - 5kg

www.wickes.co.uk

 

[freddiemercurystwin]

What do you mean fill the hole behind the filler? Just use the filler you already have, no need to faff about with mixing mortars, ignore DIYnutjobs posts they're not helpful. You're drilling a new hole in the brick behind your old hole aren't you? Perhaps a photo would help.