Author Topic: Whatman zap cap pairing issue  (Read 1419 times)

Beast1909

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Whatman zap cap pairing issue
« on: April 13, 2017, 07:04:48 PM »
I have a whatman Zap Cap bottle top filter which I am trying to use with a Hybex glass media bottle. The Zap Cap filter is supposed to work with 33-45mm media bottles, which this Hybex is (45mm). My question is, how does one go about attaching the filter to the bottle. They don't screw together, and the filter seems to just loosely sit on the top of the bottle. When I attempt to apply pressure with the hand pump, it doesn't really do anything. How is a seal formed between the filter and the media bottle

Am I missing something? Feel like a dumbass lol considering I usually use a dolphin parastaltic pump for bi brews easily yet for this tiny one I'm stumped..

ESFitness

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Re: Whatman zap cap pairing issue
« Reply #1 on: April 15, 2017, 01:44:37 AM »
Place something heavy on top of the zapcap. The suction will seal it. Helps if theres a bit of oil on the lip (like you would an oil filter on a car). Make sure its stursy and wont fall.