What are YOU using for Carbon and GFO reactors?

[spit.fire]

Originally Posted by reeferfulton

maybe you are missing the oring on top ?

the second rxu they shipped me came without the top oring..

I barely have to tighten my top nad it deos not leak at all .

same, the old ones were a pita to get sealed but my new ones and all the ones ive set up for other people (about 20) have never leaked

[Scythanith]

Avast Marine MR-5 (GFO), MR-10 (GAC), and Kraken (BioPellets). I haven't flowed water through them yet but ready great reviews on build quality and durability. Made in the USA and amazing customer service.