News — What is an RO Filter
RO/DI Water - What Is It and Why Do I Need It?
You probably have come across the term RO/DI water or RO water many times during your readings on saltwater or live coral reef aquariums and wondered "What is RO/DI water and do I need it?" The short answer is this, RO/DI water is highly filtered freshwater, and yes you do need it for your marine and reef aquariums, especially if you make your own salt water.... (READ MORE).
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