3d printed

I'm offering a set of these Reagent Needle Guides for the Trident. These will be a 4pcs pack (one is a spare) and they are printed in ABS material for better chemical resistance. I have designed these and used them for over two months and have not seen issues with calcium, alk and mag readings...

By popular demand I am now offering the same style light shade I have previously sold here on R2R for the AI Prime HD fixtures. This light shade slides over the top of your AI Prime and keeps the light directed into the tank and out of your eyes. This is designed to have no significant affect on...