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HOW TO Build an inline heater
HOW TO build a hang on the back heater

Heater project: http://www.youtube.com/watch?v=ly_mlJfzS-8
DIY Emergency heater: http://www.youtube.com/watch?v=gM57cI_-AG4
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The king of DIY

The half inch barbs would kill your water flow the flow is only as good as the smallest point so your flow goes from 1 inch or 3/4 down to half inch that’s a lot of loss
Can i do that for out door pond 300g?
Great video!! Just what i needed!!
Hey build Uv light
Materials for the canister in-line heater
about 1ft of pvc pipe
pvc coupling
pvc endcap
1' pvc tee
straight 1/2 in threaded hose barb (UPF A-05)
90 deg 1/2 in threaded hose barb
uniseal
(1/2' or 3/4' dependent on heater diameter, buy a couple)
2 x reducers 1' to 1.5'
should cost about $12
Great tutorial, looks like I'll be giving this a go, as finding an inline / external heater suitable for a nano aquarium is practically impossible…
Hi Joey. I am thinking of doing this for my outdoor pond in Winter. What size heater should i use? All the artivles i gound say i should use a 300W heater for my size pond, but i am assuming being inline, i would not need one that big.
What size uniseal do I need for my one inch thin wall pipe? That's funny to say
Now that the video has been out for four years and plenty of people have tested it has anybody had any problems with their heater breaking? Over heating ? Melting? Loss in water flow?
Is it completely safe to use PVC? I've read that CPVC must be used for hot water lines.
how about i would use UV-C on this, is it ok? would that make the PVC degraded as time pass??
Where do you get that heat- element? Thank
I’m not sure if you still look st comments from old videos, but I had a couple of questions. You mentioned flow rate, if it’s too fast it won’t heat the water properly? I know heaters now turn off when they reach the set temp, would they never reach the set temp in an inline thermometer so stay on all the time?
Thanks and great video!!
RETRO JOEY!
Joey, isn't the outlet below the minimum water level mark on the heater? Won't this mean that the very top section of the heater may not be in contact with water or will the water fill up to the top first?
So this removes the heater, but unfortunately means I would now need to put a submersive pump in, im trying to remove everything from the tank thinking only way is a sump
I know this video has been out for a while and that this is off topic slightly but how would you recommend heating/filtering something like a DIY betta/breeding rack effectively while being cheap???
I love this DIY inline heater. I have made one for my tank, but with little modification. I have made it longer, reversed water flow and installed cO2 fitting near the inlet. Now it’s an inline heater/cO2 reactor. Will see how it works.
Would this work with something with high flow like the Fluval FX4? I know it would require larger 1" hose barbs.
How does the heater know when to turn off by itself?
Thankyou joey