Explosions and fireflies / dots in Blender 2.8 (already followed all tutorial without results) Good morning everyone,

I'm literally ready to pay who will be able to solve my problem.

here is the original file of the explosion.
https://drive.google.com/file/d/1UBb2ctIG_OQ5qh7bpMSTUFcNI_E1LTCq/view?usp=sharing

Blender 2.8
Cycles



PROBLEM: FIREFLIES, STILL A LOT OF THEM IN RENDERING.

Everytime I use fire / explosion I cant get those fireflies away in the rendering.
Already followed all tutorials/discussions/youtubevideos about deleting fireflies in rendering.
Already tried everything without finding a solution (clamp, light size, hundreds of samples, caustics, filter glossy, glossy bounces, multiple importance).

The denoiser helps but it really makes a lot of damage to my scene, so I would want to try avoid it for now, and for sure this scene can get a lot better before I will put the denoiser as a last touch. But for sure for now there is still too much fireflies/dots!

Please open the original file and help me find a solution !!
It does that everytime I work with fire/explosions.
With smokes I can fix the problem, but when it comes to fire here they appear without solutions!

Thank you very much for helping
The only way to do this without denoising is increasing the number of samples up to about 2500. It takes a long time to render, but your image stays crisp.