Tunze Algae Reactor Tubing

[KENNYSREEF]

Hello All,

Do you guys know what tubing size the Tubing that comes with the TUnze 3181 Algae Reactor?

The replacement cost for tubing on the tunze website is almost $50+. Wondering if we can use a different silicon tubing for this.

 

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https://www.tunze.com/US/en/details...se-2-x-2-m-oe18-x-24-mm-2-x-787-oe-7-x-9.html
For perspective, BRS sells 1", which would be close, likely slightly too large for $12.99 a foot, or $77.94 for roughly the same amount, silicon tubing is expensive, we use it because it is 100% inert and will never harden, have a memory of bends and is the highest quality, but I don't imagine it can be had for less, if it is less, the walls will be very thin and very prone to collapsing.