Has anyone solved the problem of children bickering?

[SnowdropsInSpring]

Both great children… individually…

But no matter what we do and where we go, (it’s worse out than at home), there’s constant bickering.

It's getting me down. This 'low level' (well, clearly not 'low') is almost worse than full on arguments.

They're 12 and 15, so old enough to know better 😢

I agree with most of the quick fix ideas suggested above, but also wondering if you have tried discussing with them and getting them to reflect on it?
It depends on their maturity levels but at 12 and 15, you may be able to all sit down and have a conversation about why it's happening so much. Has it increased in the holidays? Are they bored? If so what can they do about it?
Tell them the impact it has on you as well and how stressful it makes your life. Get the to make a plan because at the end of the day you're a family and you all have to live together. How are they going to get on and stop making your lives so miserable?
Depends on what type of kids they are - some will respond to this, some won't at all.

Id tell them you know they can’t get on 100% of the time but their behaviour is getting you down, that you don’t want to hear it and if you and DH constantly argued I’m sure they wouldn’t like it.

Point out you are a family and have to live with each other, whatever their feelings so if they could try to put some effort into getting on with each other, it will make for a happier family all round.

12 and 15? Turn the wifi off and tell them it doesn't go back on till they are civil to each other.

Hi, this was me years ago. As soon as they got together after school it started and I dreaded taking them them anywhere! I can't remember if I ever could stop them and looking back I guess it was just a natural part of the brother sister relationship.
Now they are adults they get on very well I'm pleased to say. Hang in there, but I do get it's really tough.

Ha I have this too. Similar ages. Sometimes it seems the only time they stop arguing is when they gang up to argue with me.

They ruin everything all the time its anwaste if time and money taking them anywhere.

Ha I have this too. Similar ages. Sometimes it seems the only time they stop arguing is when they gang up to argue with me.

They ruin everything all the time its anwaste if time and money taking them anywhere.

I used to either ignore them and let them get on with it. Or punish them both so didn't take "sides" , which worked OK, it's hard though. Mine are in their 20s and get on well.