Does anyone have any experience with Blau steel lily pipes sold on Aquarium Gardens?
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I wanted to get some but I can't see what grade they are. Apparently 316 grade is best and will last longest, whereas 304 will corrode more quickly.
I've never used them so I don't know. Any advice and/or alternatives would be appreciated.
Expert at nothing, dab hand at many.

Blau Steel Lily Pipe with Surface Skimmer Inflow and Outflow 12mm
Stainless steel aquarium inflow and outflow pipe with built in water surface skimmer to remove surface oil/scum residue. For 12/16mm tubing. Package
I wanted to get some but I can't see what grade they are. Apparently 316 grade is best and will last longest, whereas 304 will corrode more quickly.
I've never used them so I don't know. Any advice and/or alternatives would be appreciated.
Expert at nothing, dab hand at many.