Polypropylene ?

[thirty6]

Could I use a sheet of this under my rock instead of starboard? Considerably cheaper, but before I order I thought I would check. Site says food grade, figured better to ask.

Anyone use this for reef?

 

[thirty6]

Nothing??

 

[usctom]

Starboard is poly. I've seen tanks made out of poly. I don't see any reason it would be a problem.

 

[Arati]

this is what I used

http://www.usplastic.com/catalog/item.aspx?itemid=23751&catid=705&clickid=searchresults

 

[thirty6]

Thanks guys