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Chihiros auto doser tubing

I had leaking issues on one line with the original base tubing as well, so on my last order from Chihiros, I purchased their colored silicone tubing. You can probably find something else cheaper but I was already buying an expensive light, so figured might as well. It slides on to the barbs much better, and so far, no leaks. Knock on wood.
 
The silicone tubing is SO much better than the original vinyl tubing.

You can also use any 2mmx4mm silicone tubing. I use this one, a bit cheaper than the chihiros stuff:
1766621774991.webp

Finally, if you install new silicone tubing and it's still leaking, you need replacement barbs:

1766621826294.webp
 
The silicone tubing is SO much better than the original vinyl tubing.

You can also use any 2mmx4mm silicone tubing. I use this one, a bit cheaper than the chihiros stuff:
View attachment 12570

Finally, if you install new silicone tubing and it's still leaking, you need replacement barbs:

View attachment 12571
Thanks Rocco. Do you also have any suggestions for replacing the dosing head that sits on the aquarium. 25$ for it seems a lot on Amazon. The one that came with the doser seems to sit too close to the water level.
 

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