JoeQ Posted June 6, 2023 Share Posted June 6, 2023 Does anyone know the official manufacturer cap size of the coop bottles? I think they take a 28-410 cap but thats only a guesstimate. Link to comment Share on other sites More sharing options...
JettsPapa Posted June 7, 2023 Share Posted June 7, 2023 I don't know, but I do know that the lie (with pump) from Easy Green will work just fine on Seachem products. Link to comment Share on other sites More sharing options...
JoeQ Posted June 7, 2023 Author Share Posted June 7, 2023 (edited) I went ahead and ordered a few 2ml 28-410 pump heads from Amazon so well see whats what! 28-410 will fit on standard soda bottles so I can still use them, I just perfer using coop type bottles since they are a sturdier bottle. There is also a printable guage that i could print and measure, but that seems like a lot of work!!! 🙁 (sarcasm) anywho its probably 28-415 on account of the bottle neck being taller than a standard soda bottle. https://www.tricorbraun.com/blog/printable-cap-and-neck-finish-gauge.html Edited June 7, 2023 by JoeQ Link to comment Share on other sites More sharing options...
JoeQ Posted June 7, 2023 Author Share Posted June 7, 2023 https://www.sks-bottle.com/CapNeck.html Link to comment Share on other sites More sharing options...
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