CaribSea Seaflor Special Grade Reef Sand

Beautiful and versatile Seaflor Special Grade Reef Sand is the perfect substrate for reef aquariums. Use as a gorgeous substate or as a functional substrate for nitrate-reducing systems such as Plenum or Berlin systems. Consistent grade aragonite substrate allows for better dissolution of minerals, like calcium and carbonates. The addition of small shells makes it ideal for aquariums with mature jawfish or burrowing invertebrates. 1.0 to 2.0 mm grain.

Please click on "More Information" for substrate ordering reference guide.

While this may sound complicated, don't worry - you won't need to be an algebra whiz to get started!

The simplest rule of thumb to use is to plan 1 lb of substrate per gallon to achieve a 1" bed. Or 2 lbs per gallon for a 2" bed. Since aquariums come in a variety of shapes, tall or long, we recommend the following guide for your reference:

*Does not apply to bow, hex, or corner-shaped aquariums.

Many hobbyists will tell you it's always safer to get more substrate than you think you may need, because then you'll always have some on hand for future renovations or additional setups.