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IceCap 1in Biological Frag Disc (25pc)
SKU: IC-BFD25-1NP
MSRP: $ 10.29
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Available Through Authorized Retailer
- Fused Nano-Sphere Architecture: Manufactured from high-purity ceramic micro-beads bound at high temperatures, creating a deeply interconnected network of microscopic flow channels.
- Dual-Action Biological Matrix: Functions concurrently as a rock-solid coral anchoring foundation and a highly efficient biological filter substrate for nitrifying bacteria.
- Superior Adhesive Bonding: The rough, textured surface profile profile maximizes the mechanical grip of cyanoacrylate frag glues, preventing loose frags from tumbling down.
- Flat Stemless Profile: Modeled without a bottom peg, making these discs perfect for placement on flat frag racks, directly over sand beds, or inside specialized grow-out trays.
- 100% Inert and Cure-Free: Completely free of heavy metals and pollutants, requiring no lengthy freshwater curing cycles or chemical pre-washes before tank introduction.
IceCap 1 Inch Biological Ceramic Nano-Sphere Coral Frag Discs (SKU: IC-BFD25-1NP)
The IceCap 1 Inch Biological Ceramic Nano-Sphere Coral Frag Discs (SKU: IC-BFD25-1NP) represent a major technical advance in marine coral propagation substrates, designed specifically to accelerate tissue encrusting speeds and enhance localized water chemistry parameters. Standard dense aragonite mounts or smooth compressed-clay discs offer only basic two-dimensional surface areas. This forces expanding coral tissues—such as Montipora, Chalice, Acan, and colonial Zoanthids—to expend precious metabolic energy trying to grip a slick surface. The IceCap biological disc completely bypasses this growth bottleneck, providing an advanced three-dimensional matrix of fused ceramic nano-spheres that mimics the natural porous microstructure of wild reef frameworks.
By fusing thousands of microscopic ceramic beads under precise heat tracks, each 1-inch disc opens up an internal labyrinth of capillary pathways. This design delivers massive surface area gains while keeping the physical footprint remarkably small. This highly porous structure allows vital, oxygen-rich tank water to sweep directly through the base of the disc. This action eliminates stagnant oxygen-starved zones and distributes dissolved elements cleanly to the coral's base. At the same time, this high-flow web becomes an immediate sanctuary for populations of beneficial nitrifying and denitrifying bacteria (Nitrosomonas and Nitrobacter). As a result, each coral frag you position across your racks doubles as a highly active block of bio-media, which helps actively lower organic waste and ammonia levels throughout your system.
Key Features
Accelerates Encrusting Speeds: The deeply textured micro-grooves give sprawling coral tissues an immediate, secure grip, which triggers rapid growth and faster basal plating.
Inert, Non-Leaching Chemistry: Kiln-fired to ensure complete chemical neutrality. These bases will not trigger unwanted local hair algae outbreaks or warp your water's pH balance.
Pegless Flat-Bottom Profile: The clean, stemless disc profile sits completely flat and secure on eggcrate grids, acrylic frag racks, or directly along your display tank's sand bed.
(Note: This retail SKU contains (1) factory box of (25) individual IceCap 1-inch stemless biological frag discs. Specialized coral frag glues, targeted coral dips, and propagation tools are sold under separate product categories).
What’s Included:
(25) Individual IceCap 1" Biological Ceramic Frag Discs
(1) Protective Factory Storage Box
Technical Specs:
Official Manufacturing Title: IceCap 1" Biological Ceramic Frag Disc (25pc Pack)
SKU / Factory Part Identifier: IC-BFD25-1NP
Disc Nominal Diameter: 1.0 Inch (25.4mm Profile Rim)
Disc Stem Configuration: Pegless / Stemless Flat-Bottom Base
Primary Material Matrix: Kiln-Fired Fused Synthetic Ceramic Nano-Spheres
Porosity Value Rating: Greater than 65% Open Interconnected Volumetric Porosity
Curing Cycle Required: 0 Days (Factory Cured, Inert, Direct-to-Tank Safe)
Primary Structural Color Finish: Earthy Speckled Charcoal / Light Brown Matrix
- Remove the desired number of biological frag discs from the packaging box. Give them a quick rinse in a cup of clean reverse osmosis (RO) water to remove any loose ceramic dust from shipping.
- Prepare your source coral colony on a clean cutting mat, using specialized stainless steel bone cutters or an aquaculture band saw to slice clean coral fragments.
- Lightly dry the bottom surface of the coral fragment with a clean paper towel. Apply a small bead of gel-type cyanoacrylate coral frag glue to the center of the disc's textured surface.
- Press the coral fragment gently down into the glue pool on the disc. Hold it firmly in position for 10 to 15 seconds to let the adhesive establish a strong mechanical bond within the ceramic pores.
- Place the completed frag into a container filled with clean tank water or a mild coral dip solution for 3 to 5 minutes to fully cure the glue before adding it to your display.
- Position the disc flat onto your designated frag rack or sand bed. Ensure it receives proper indirect flow and lighting tailored to that specific coral species.
Pro Tips:
- The High-Porosity Matrix Requires Less Glue for a Stronger Hold.
CRITICAL FRAGGING ADHESIVE WARNING: Because the fused nano-sphere matrix contains thousands of open micro-pores, you only need a fraction of the glue compared to standard smooth plugs. The capillary action of the ceramic naturally draws the liquid glue deep into the disc's body, forming an incredibly strong interlocking bond. Avoid over-applying glue, as an excess can ooze outward and smother the open ceramic pores, reducing the available biological filtration zone.
- Pre-Soak Your Discs in an Internal Sump Track to Jumpstart Cycling. If you are planning a large fragging project, drop a handful of these biological discs into a high-flow chamber of your sump a couple of weeks before you use them. Because they are incredibly porous, they will quickly collect a rich layer of active nitrifying bacteria straight from your system. When you attach your new coral fragments, this pre-established bio-layer helps protect the cut tissue from opportunistic infections and accelerates healing times.
- Clean Calcified Mineral Scale and Algae with a Mild Vinegar Soak. If you have used discs sitting on your racks that have collected a layer of green turf algae or calcified tube worm scale, do not throw them away—they are fully reusable. Simply soak the fouled discs in a bath of warm water mixed with 10% white vinegar for 24 hours to dissolve the mineral scale. Rinse them thoroughly with fresh RO water and let them dry completely in the sun for 48 hours. This clears out the pores and restores them to factory-new condition.