RO/DI Filters?

MetalArm3

Can someone tell me the difference between them, what aquariums need which type, and if possible model recommendations.

Thanks,
MetalArm3

Nubster

The RO membrane is there for removal of bacteria, viruses, pathogens, endotoxins, metals, salts and other TDS.
The DI is normally used as a post filter for the membrane. It removes the remaining TDS by the ion exchange process using anion and cation resin beds. Its main function is to remove the rest of the salt and metal ions from the water.

These filters are generally used by people with SW tanks as the need for pure water is much more important. All the needed minerals and trace elements are replaced with the reef salt used to make the salt water for these tanks.

The Might Mite is a great little unit sold by Air, Water, Ice. It's just a little over $100 and is very reputable.

MetalArm3

Thanks for the good info and speedy response. One other quick question came to mind. Is there any filters that need to be regularly replaced?

I am doing a "virtual build" of a reef tank to figure the costs and items needed to make this happen. A RO/DI filter was one thing I missed.

Nubster

Well...the media in the RO/DI filter needs replaced every so often. Best to get a TDS meter and test the water to determine when. It costs about $30-40 to replace all the filters.

Byron

You mention reef tank in post #3; if you are actually enquiring concerning a saltwater tank you should be in the saltwater section. The marine aquarists will see your question there.

I will move this thread if you confirm it is salt.

Byron.

MetalArm3

Yea, You can move it. Does everything show up in the "new post" tab regardless of topic?

Thanks,
MetalArm3
Posted via Mobile Device

Byron

Yes.

I moved the thread to Saltwater Aquarium Equipment.