An important ONI filter, in 5 minutes.

thanks, another piece of information on my journey to Win ONI!

What if the input pipe was empty? It seems to me that the filter would remain loaded for 1000 seconds, but eventually it would empty and then prime with the first gas encountered.

I'm new to the game and this is absolutely amazing. When I enter the caustic biomes I like to use powered gas filters to capture as much of the Hydrogen and Chlorine as I can to save it for a later usage, should the situation arise. If I don't have to actually power 2 filters, and better yet, just keep this mechanical filter looping forever right next to the storages... Game changer! Prime it once and forget it forever. I love this. Thanks for sharing! (Even if it was 5 years ago when you made this post.)

does this still work?

but how do you 'prime' the filter in REAL gameplay, ie not creative?

Been playing a while but never came across this! thanks for the vid, very useful

Beautiful!

this is fucking awesome

This has probably been commented already, but you could fix the 1g leakage problem by putting in another valve before the filter, and set that to 999g. That way you will get packets that are always able to merge with the filter's packets

Mmm exploit

This is a great reference. I've played a LOT of ONI, but for some reason pipe dynamics don't stick in my brain.

Five years later and this video is still serving its purpose.

I had a whole chain of powered filters sorting out a mixed pipe of gas and dumping into compressed storage. Now with a bit of extra space expenditure, I can save using all that power, and the filters keep working even in an outage

You can set your valve to 0.1g, no need to waste a whole gram.

Then your filter can run for 10,000s with full packets before wasting any.

Doesn't seem to work any more

Can someone explain the benefit of this over a filter? Newb here

Fantastic explanation. I've been using these filters for ages, but always had to check a reference to copy. I now feel I understand enough to easily build from scratch.

I prefer the element sensor + valve filter for long term. But this is great for early game.

Videos is four years old and still gold, thanks for the video.

I have been playing ONI for 800+ hours and I still appreciate this type of innovation so thank you 🎉

powerful!

damn i pogged so hard thanks bro

could just add a purge vent of sorts down the line that vents to where ever

Man this is genius

Thanks for this explanation. I will be using this in my own playthrough/series for sure!

Great. Newbie here. I've never seen this before.
I've not tested this but I think you could use a valve set to 999g in the input line to prevent oxygen continuing on the main path, this would also remove the need for the second bridge. And in order to prevent the oxygen from backing up in the filtered line you can always have the gas pipe continue from the reservoir input to a place where you are sure it won't overpressure (like into space).

What is the benefit to this, instead of using the normal ingame gasfilter?

This is very smart, but I'm not sure if I want to use it because it seems exploit-y.

I know this video is old, but if you use a filter at 9999 and a 1gram filter you can have it loop back on itself so it can back up and stop the pump if you so choose instead of allowing the gas to pass a backed up filter.

Watching these videos makes me hate this game

The unfortunate problem with this filter is that it requires that the gas pipe being bridged into it occasionally do have the gas being filtered out. I tried to set one up to catch the very occasional bits of hydrogen that would get caught in the oxygen pumps for my SPOM. Well, gradually the hydrogen put into the filter to start it ran out (went to my tanks) and the oxygen from my oxygen lines went through it and, also, into my tanks, where they were fed to my hydrogen generators. The generators weren't too happy about it. But a great idea where you know you'll be getting a reliably mixed feed of gases.

Wait, why am i bothering with trying to estimate the complex gas movement algorithms whims when i could just use this to filter my SPOM?

Trying to figure out which tile a hydrogen will move to after it was created sucks ass. This way i can just pump it out no matter what and easily separate them...


Thanks!

This is nifty

great thx explanation

really handy in early game oxygen mask stations

Had an issue with chlorine smogging my carbon skimmer at the bottom of my base on Verdante. This was run saving!

Cool bro, there's literally already a gas filter thing in the game @_@

Ad a valve before getting to the filter set the valve to 999g

Think im just going to conclude im too stupid for this game.

Great video! I used this based on somebody else's video on building a Self Powered Oxygen Machine (SPOM). They used this to filter Hydrogen into a gas storage container. And it worked great. But I didn't realize what it would do when the gas storage filled. I had been building near the bottom of my base for several cycles and when I came back, the whole top of my base was flooded with hydrogen.

Just started playing an got the dlc. So glad I seen this cause I've been trying for hours to make a mechanical gas separation without electricity.

You are the first that explains this the right way, I spend the whole morning correcting their explanation, yours is perfect

I finally found time to use this to remove any unnecessary gasses in my Natural Gas Electricity Generator

I appreciate your humility in not taking any credit for this idea, but I’ve played this game off and on for years and never known about this filter. So big props from me all around for sharing it here with us!

This is amazing!
also, if there's too much O2 for it to handle, just filter the CO2 instead, it works wonders
I'm already using this to filter the few H2 that manage to sneak on my O2 line out, it's a most amazing energy-free failsafe

Tony: yeah everyone knows about this. not ground breaking.
me at 800 hours of gameplay: explodes

Thank you so much for this!

Это гениально

Wow that's clever. This is why humans took over the planet- collaboration.