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LJG
02/01/2012, 06:20 PM
I just received 4 new 18" MR5 media reactors. Excellent quality.

Can someone tell me what the black foam stickers they send are for and also what the gray capped PVC part at the base is for?

ctenophore
02/01/2012, 09:38 PM
The black foam stickers are helpful to put on the inside half of the magnetic probe holders, in case they want to spin. This sometimes happens depending on how they are installed and the thickness of the glass.

The grey PVC caps are downtube covers, use them when pouring in media to avoid grains of media on the bottom of the reactors.