JoeQ Posted June 6 Share Posted June 6 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 Share Posted June 7 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 Author Share Posted June 7 (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 by JoeQ Link to comment Share on other sites More sharing options...
JoeQ Posted June 7 Author Share Posted June 7 https://www.sks-bottle.com/CapNeck.html Link to comment Share on other sites More sharing options...
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