Quote Originally Posted by tuanster1119 View Post
Do these have to go in the flow path or can they be placed in the filling line of a t-line?
In the path of flow is best.

Quote Originally Posted by usf09 View Post
If I have one 250 mL reservoir (EK 250) supplying 3 blocks, just putting this one little piece of silver will prevent microbial growth? And I can just drop it in the reservoir without worrying about it going through the tubing? And even if I have like 10 feet of tubing, I only need 1 of these $9 pieces, thus allowing me to use clear tubing instead of solid tubing (block light, prevent growth)? Sorry for questions, this seems so convenient...
You got it correct!