Fluxes

[loopyloo]

Ok, I know this ones different.

Is there such a thing as a non toxic flux ?
or at least a safer one ?

I have been an asthmatic all my life, and now that i am older (over the hill), I find I end up with a crook chest for a couple of days after soldering using extra flux.

What is the best flux anyway ?

[lsemmens]

What sort of solder are you using? Is it resin cored solder or are you into plumbing?

[loopyloo]

What sort of solder are you using? Is it resin cored solder or are you into plumbing?

No, not plumbing. lol
I'm using a rosin cored solder for electronics

[Reschs]

Just get one of the soldering exhaust fans.
They remove the fumes away from you.

[Downunder35m]

Have to agree, avoiding the fumes is the only option.
We experimented with some "low fume" solder pastes for the refluy system and abondoned it.
There are some fluxes that basically won't smoke unless you overheat them, combined with a low temp solder it is about 80% reduction in smoke, but you have to clean the flux when done.
For the fine tipped soldering irons (SMD 0402 and smaller) we had a suction system based on a venturi nozzle.
A piece of thin brass piping went all the way to the tip,a hose down to the "sucker" which was nothing more than an attachment for your kitchen tap.
Water runs through and the air is sucked up as well, water pressure regulates the suction.
Since all was quite thin it was only very little water use.
Later on we got systems with a little vacuum pump but they failed on a regular base as all moving parts goo up with the resin.

You could also use a PC fan in a case of suitable size for your projects.
Set at an angle of about 60° to the front and equipped with an electrostatic filter and a layer of activated charcoal you should be fine too.

[TVguy]

+1 for the exhaust fan. What works for me is a couple of scrapped microwave oven fans conveniently mounted on the metal frame removed from the oven.
Simple 240 volt shaded pole motor, zero cost and works at treat.