Brightwell Aquatics - Xport-BIO Block Aquarium Filter - Biological Filtration Media for Bacteria Growth, Nutrient Control & Control of Unwanted Nutrients - Aquarium Water Treatments, 4 Pack, 1.5 inch

Brightwell Aquatics Xport-BIO Block Biological Filtration Media for Bacteria Growth and Phosphate Reduction Experience elevated aquarium care with Brightwell Aquatics Xport-BIO Block Biological Filtration Media for Bacteria Growth and Phosphate Reduction. Ideal for marine and hard freshwater enthusiasts, it's engineered for pH 7.5+. These blocks excel with unmatched porosity, offering the largest usable surface area per unit weight or volume among all media. Lab-tested for exceptional performance, each block provides over 40,000 sq. ft. of surface area per liter, ensuring efficient bacterial colonization. Reduce toxic levels when properly colonized. Versatile and easy to use, they can be the sole medium or complement others. Doped with Aragonite to buffer pH, by preventing acid buildup. Available in 1.5-inch and 2-inch sizes, with clear guidelines, XPort Bio Blocks create a sustainable, healthy bacterial ecosystem in your aquarium. Whether setting up a new tank or maintaining an established one, choose Xport-BIO Block for a cleaner and healthier aquatic environment. AMERICAN-MADE EXCELLENCE Trust in the quality and excellence of Brightwell Aquatics, an industry-leading brand committed to providing innovative and scientifically backed aquatic care products. Made in the USA, we consistently strive to deliver advanced superior quality solutions to elevate the vibrancy and health of your aquarium.

• ULTRA-POROUS SURFACE AREA – The Xport-BIO Block Biological Filtration Media promotes bacterial growth, reducing excess nutrients like ammonia, nitrite, nitrate, and phosphate. It serves as an aquarium filter and nitrate remover, for marine and hard freshwater aquariums with a pH of 7.5 or higher
• VERSATILITY – The fish tank filter promotes the establishment of a clean and sustainable bacterial ecosystem, contributing to long-term aquarium health and stability. Works well as the sole filtration medium for aquariums or ponds, or can also be used alongside other filtration media for enhanced performance
• EFFECTIVE REDUCTION –The marine nitrate remover provides ample anaerobic surface area for efficient bacterial colonization, converting NO3 to nitrogen gas. It also reduces toxic ammonia and nitrites while decreasing phosphate and organics, creating a pristine environment for fish and inverts
• DIRECTIONS – Use a 1.5” XPort Bio Block for 20-40 US gallons or a 2.0” one for 30-50 US gallons. Rinse the aquarium block with aquarium water, and seed with the specific bacteria product currently in use. When using MicrōBacter Start XLM, use one capful for seeding, and add the remainder to the aquarium
• AMERICAN-MADE EXCELLENCE – Brightwell Aquatics is an industry-leading brand committed to providing innovative and scientifically backed aquatic care products. Made in the USA, we consistently deliver advanced superior quality solutions to elevate the vibrancy and health of your aquarium