Dosing containers can best be equiped with these 5mm pipes instead of tubes.
Tubes can curl up and make the dosing unit unreliable.
The hole in in the cap can best be drilled with a 5,5mm drill.
(http://uploads.tapatalk-cdn.com/20160901/871fec029e06e455e800b252893e2a56.jpg)
(http://uploads.tapatalk-cdn.com/20160901/92cb7ec7878335f7685408bd41cb6058.jpg)
(http://uploads.tapatalk-cdn.com/20160901/753f39bb0e3f02539d66c4917784a66f.jpg)
(http://uploads.tapatalk-cdn.com/20160901/326644c761d1d9c7241fc09576d7e18f.jpg)
(http://uploads.tapatalk-cdn.com/20160901/c29e1922243ea4ffa91f6ada0418cd49.jpg)
Happy Reefing, GlennF