Water cooled cob setup?

Observe & Report said:

Still holding up with no leaks? It's a great idea the adhesive shrink tubing, cheap and easy. I'm wary though. How many shrink wrapped fittings in total have you been running?

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I had stored the light for about a month and just started using it again, and sure enough, 1 of the 4 heat shrinks has a slight drip. I just put a cup under it for the time being, but I will need to drain the system and reheat the heatshrink to see if that will fix it.