in our last pool cooling update we got to the point where everything was
working well enough actually more than well enough the performance was
absolutely great until everything hit
the fan this pipe fitting cracked well the flex tape isn't uh working the
Glorious bucket Reservoir leaked and as
predicted some of that gravel from the piping did end up in my water blocks but
none of that was the killer the killer was this what happened to that tube
that is a very interesting story indeed
one that killed the motherboard in my gaming system and the one in the server
under it it started when we accidentally unplugged the pump while working on the
Sonos audio wall continued when the over temperature protection on my system
didn't kick in and ended when my aesthetically pleasing but highly
conductive metal CPU block transferred so much heat into my tubing that it
deformed causing a catastrophic leak
don't ask me how because I'll never be able to explain it but the water leaked
out of the CPU block corroding my gaming motherboard bypassing yvon's system and
the server under hers making it all the way to the fourth system down in the
rack corroding this board here here here
here basically everywhere the good news is we have a plan and by the end of this
video we are going to have a professional grade plumbing system set
up not because he's helping hey because
we brought in a professional plumber and we brought in this segue to our sponsor
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insult like I don't know buffing head
it's barely even offensive learn more at the end of the video the setup we showed
you guys last time was really simple we take heated water from the computers in
the rack we pump it out to the pool where there's coils of this tubing
embedded in the walls and the floor all that thermal energy gets dumped into the
pool and then we pump the cold water back in here over to the rack
unfortunately that setup had quite a few problems I was hoping that a simple
filter would be enough to prevent our water blocks from getting gunked up but
the bad news about that is water blocks have extremely fine fins so in order for
us to have a filter that would REM enough of the crud from the loop it
would have to be so fine that it would destroy our flow rates which could hurt
our cooling performance so instead we
did what we should have done in the first place and installed a titanium
heat exchanger that makes the loop more complicated but also makes it way more
reliable so instead of dumping our heat into the pool taking that cold water and
running it all the way to the server rack we take it here to pump reservoir
ah yes to the Heat exchanger where that
cold water doesn't physically mix but
exchanges heat with the hot water from the server rack cooling it off where it
can be recirculated all inside all clean
style our next big Improvement is our
reservoirs these are actually RV freshwater reservoirs that come entirely
sealed leaving you with a blank canvas to jigsaw the holes that you like so on
the top we have an access SL fill hatch
then on the sides we've added bulkhead fittings for Inlet outlet and a drain
the pool side also gets an upgraded pump since the old one was
uh really struggling it's a quality pump
it's just that it's a really long Loop but enough chitchat after Jake and his
stepdad Dan spent the better part of yesterday getting the pool side hooked
up I'm sure they want to know if it works all we got to do is plug in the
power which is uh ah oh oh good not
janky at all thank you Alex in all
seriousness though hacking the end off of a power cable and then just using the
conductors inside it is not actually Jank it's totally fine please look up
the proper color coding in your region before trying to do anything like this
yeah it's completely different in Australia and New Zealand because
reasons all we got to do is plug it in a flow indicator might have been not
a terrible idea well that was anticlimactic this is supposed to be a
self-priming pump but this is also a pretty chunky Loop so we're going to do
it the way we originally planned sort of by just turning this around so that the
water is gravity fed into the pump from the reservoir up here time for our
second attempt you guys are on the spigot all right here we
go the easiest way to tell if it's working is going to be if we're getting
some air glugs from this boy I guess yes we
are yes we are I can feel them once it really starts filling this is going to
turn a shade of green because there's glycol in this Loop to keep it from
freezing in the winter I don't want to have to drain this thing on a pain in
the butt hi I heard some gugs there all right cool Alex I think this is just
working oh it's just it's green all right hey that went great now to do it
again looking outside none of our fittings are leaking anymore which is
awesome and the setup is exactly what I planned on doing last time but uh the
plumbing supply store just screwed it up and I got the wrong fittings
anyway what's also different is that we're now using this red PEX tubing
instead of the white stuff that I had before this stuff right here is fine for
most of your house plumbing needs but you want to use this red stuff for
closed loop systems that's because this red barrier on the outside prevents
oxygen from getting in or out this is awesome for a closed loop system because
once you have a little bit of corrosion it will oxidize a little bit but this
will prevent more oxygen from getting into your system and allowing that
corrosion to continue it also prevents you from just having to like top it up
as air gets into your closed loop excellent and speaking of converting all
of it to Red PEX tubing uh I get to undo
all of the work that I did in here last time and change it all back into red PEX
tubing to distribute the water to the different systems we bought these
manifolds right here off of MCM curse the idea is Inlet Inlet on each side
then you have all of these Outlets we just plug the ones that we don't need
only thing is though Jake bought these plastic manifolds and they're really
easy to screw up npt has a tapered thread which means that it doesn't quite
go in correctly all the time so if you have steel into plastic you can very
easily just completely screw up the plastic let's see if I did here's my
incredible test setup we have a stopper
a hose connection and all of these plugged I'm quite sure that both of
these ends are going to leak cuz there's no t on tape on them but as long as
these don't leak we're good y leaking there leaking
there but no leaking in here that one's
good all right second one I'm slightly concerned about this guy right here cuz
I know that I for sure cross threaded that one but hopefully it's fine and
it's not right there hm well that's bad uh
solution incoming oh jeez you don't need to get this Andrew just turn it off no
one wants to see this happen opening oh God that's wretched all right we've got
our silicone manifold here I'd give this
about a 4% chance of working something like
that huh it's not leaking I can't
believe it free side of the Mana fold we want these T Junctions and to clean it
all up we're just going to attach them straight to the ceiling well there is no
ceiling so to this board which I have just cut and hopefully
it just
oh friction fit love
it if you want a joint like this to not leak you're going to need some Teflon
tape now in the past I have just I have
used way too much compute figuring out which way you have to put the stuff
around cuz you put it on the wrong way you thread it in and gets all mushed up
anyway Dan taught me how to do it correctly so you hold it like so in your
left hand you hold the thing up like this go on the back side then hold it
with your thumb hold it with your finger hold it with your thumb finger
thumb wow now that the inside side is
plumbed up we're ready to uh open these
bad boys up and do a quick test before
we actually connect any computers to it just make sure it's not going to start
leaking all over the place before we do that though I want to throw some hoses
on here to make sure that I am not just dumping water all over the floor on this
side I won't need antifreeze because this water's never going Outdoors so all
I need is some kind of bioside I'm going to be using J Crow's Lugal solution 2%
basically it's iodine so we'll just I don't know put some in all right hit it
woo okay while that goes I guess nothing
in theory would prevent us from firing up our pump uh yeah that'll kind of stay
is you know right and I got it I got it
I got it there now it's definitely going
to hold this time we're having a little bit of trouble getting the pump Prime so
I have an idea I'm going to going to stick my ARM in there I mean iodine's
good for the skin and I'm just going to stick this tube right on the outlet of
the reservoir and then we'll try and force some water into the pump that way
no no we got this don't worry it's fine it's fine okay okay no spigot now oh
there we go not the best way to do this
but uh if it's stupid and it works it's not stupid this gives us nice clean
water for the inside loop and well water
anyway I did actually test them they're not going to spill water all over your
stuff from the these bits at least I I
guess these tubes might not be as okay yeah two worm drives might be the
solution one snug up here and one here anyway why I brought you in here that's
that's not even why we were here yeah we filled these with water we did and now
we need to fill them not with water oh yeah that's a good idea okay I think
these just weren't tightened enough okay
well that was exciting and we can just tape a rag in the middle if it starts
leaking Alex did you mislabel every single one of these tubes
no well you know that the arrows there
yeah and this is where the water goes in yeah but you says in yeah you labeled
every single one of these in but that's where the water goes out okay do you
want me to label out on this side and in on this side for all of them like it
also says in on this side no that would be stupid what if you just drew arrows I
could draw arrows if you want but you label oh you labeled every single Side
of Everything yes and it perfectly corresponds to the computers which are
also labeled in and out you you guys be
the judge is this out or in this entire
side is out I don't even oh right the water flows that way I even I even
pointed in the wrong direction just looking at it that's so confusing no it
isn't this is out you guys decide what
we can do in the meantime though regardless of any of that is pressure
test this bad boy so I'm kind of thinking we put the cap on the reservoir
over there pop this buddy on here and
just make sure that this thing holds pressure okay it's going to take a while
yeah this is going to take some
pumping oh sick I think it's
holding oh that's great news might be
time to start filling systems into the rack sacrificial lamb going to be my rig
okay I'm going to go finish it up I think it's held though it's exactly
where we left it yeah okay here we go
oh I'm so excited this is it this is final
deployment time first system hookup here we go the key KN among you might have
noticed that my system does in fact still have a pump reservoir and radiator
uh that's in case I ever want to operate it separate from the rest of the system
what are the odds this is going to go absolutely out
perfectly yes okay punch it all
right pumps up on whoa she's leaking stop stop stop
stop stop where is it leaking whoa it's
everywhere how is it leaking where's where's it going uh everywhere hold on
here's an idea yeah we probably should have done
that from the start I actually don't think any water got in here it just
sprayed on the side of the rack the point is right now we've got one system
hooked up and then we also have a bypass
just because a CPU and a GPU block are extremely restrictive and that is a lot
of pump so it's going to create a high
pressure environment in the loop unless we've got a bypass but theoretically
with this bypass in place I can power up my
computer I'm hitting it oh yeah she's uh
she's circulating hey this is awesome it's
working it's alive hey we did it
we've got furmark loaded up we're at 37°
on the GPU underload it's strong 350 WTS right
now it does not care this is a 7900 XTX
the pool system the pool system
works 30 second it's it's flat it
doesn't move it's rock solid I can't
believe it's just like 38° it's nice when you have like a
effectively infinite amount of pizza
yeah hey it's oh it's immediately on cool wonderful okay next well I hooked
up the iicon dock which is the USB over fiber dock on both sides and I'm not
getting a light the problem is there is so many potentials here it could be
those 12vt to 24volt upstep things we have in the computers it could be any
connection in the fiber along the way being dirty and there's a fair number it
could be a lot of different things but for now I'm just going to keep on
treading forward getting the other computers working and then we'll worry about that okay so this doc just doesn't
have power what is the problem H the
fuse is blown that is a 25 amp fuse so it can
handle 10 amps and they put a 25 amp fuse also why did it Blow yeah why did
it Blow I don't know I mean we can put another fuse in there and just see but
actually I don't I only have one extra fuse let's let's YOLO and try it oh my
God no okay y that was immediate okay so
something about this is not
right what's that something's mad Okay computer seems
fine that's good Jesus I believe it is
to do with this SATA adapter okay the computer works thank God 16 plus hours
of troubleshooting later it's done ah I'm so excited look
how flipp and sicknesses I mean is now
there was everything from missing screws to missing GPU retention to extra
standoffs under one of the motherboards but they're all fixed now and not only
that the room is tidied the cable management is incredible come check this
out I've got like braided sleeving on this one just got to add a little bit
here oh yeah all the water whips look at
this exactly the right length I can have one of these systems disconnected lit
out on the test bench for troubleshooting or BIOS updates or
anything that's a little finicky with the fiber optic Connections in like 45
seconds flat and it's going to get even better in here check this out just
today I got my custom length power cables for the top up here so I'm going
to get rid of all these hangers
ew oh no oh what the what just
happened something just burned I think that switch just lit on
fire did you see that smoke yeah
wow she's dead Jim what just happened to that
Enterprise XG why did it light on fire I
don't know the good news is we shot this
out of order so let's go to it
working all that's left now is to see it in action it's actually working do you
hear that no sound no heat
myself just disturbing things from your
youngest daughter there's definitely still some work to do the undersides of
these desks could use the LTT Store Cable Management treatment and in my
perfect world I would love to use DisplayPort wall plates know on my
screen that said find the cavern rather
than just run the cables directly up to the monitor but as it is now I am just
thrilled to see this come to fruition after all this time and get these
laptops off the desk which have been kind of in the way one of them is an
engineering sample one of them has that like weird egpu thing that mostly works
but then except when it doesn't desktops man
wires yeah I would have given absolutely
anything for a setup like this when I was a kid they've already gotten a lot
of hours out of it but because it's like not working half the time it's been
really frustrating now anytime we're
ready to go the systems are ready to go they're running flipping cool and
because they're powerful we're not limited to just Minecraft dungeons just
like I'm not limited to telling you about our sponsor and it's cool by a
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stealth sense cables at the link down below if you guys enjoyed this video
then huzzah it was worth the two sleepless nights in a row kidding that
was for the kids it was only partially for you guys was for your cable management OCD yeah it was for me to
deal with cable management and there's another thing I need to deal with speaking of follow-up videos we don't
have any way of remotely powering them on and off we have ideas though so I'm
thinking maybe we test all of them in one video and then we'll share it with
you guys see you there