Unopened Superglue has a short shelf life (~1 year). Opened superglue much shorter than that. Invest in new glue!
Prior step is adding clear 1.5mm piece.
This step is adding clear 6mm piece.
The instructions should say this.
Yes, this. This comment should be elevated in BOLD & RED to the main instructions above, and maybe to step 14 & 15. My white covers were not paper. They were shiny white plastic easily mistaken for white acrylic. The material bonds but with wrinkles and air pockets that don’t look like they’ll hold water and they’ll be exposed to the water side of the ORing. Now I’m stopped dead until replacement parts.
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