IceCap Bio-Spheres, 1 kg
SKU: IC-BIOBLL-1
MSRP: $ 17.31
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Available Through Authorized Retailer
- Fused Ceramic Sphere Matrix: Formed from a dense, porous network of microscopic ceramic beads that creates thousands of micro-tunnels for massive bacterial colonization.
- Exceptional Surface-to-Volume Ratio: Each individual 1.25-inch spherical ball supplies sufficient standalone biological filtration capacity for up to 18 gallons of water volume.
- Massive Full-Box Coverage: The 1KG retail package packs exactly 40 highly condensed spheres, combining to support setups up to 750 liquid gallons.
- Completely Neutral pH Stability: Formulated from fully cured, inert ceramic materials that anchor safely within a neutral pH range (7.0–7.5) without altering structural chemistry.
- Universal Placement Adaptability: Large 1.25-inch structural shape allows you to drop, stack, or pack the spheres into sumps, trickles, canisters, media cups, or dedicated structural towers.
- Complimentary Enclosure Bag: Ships standard with a durable mesh media containment bag to streamline routine maintenance and fast box placement.
IceCap
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IceCap Bio-Sphere Biological Filter Media 1KG (IC-BSS1KG)
The IceCap Bio-Sphere Biological Filter Media 1KG (SKU: IC-BSS1KG) is an authentic, premium-tier bacterial colonization substrate distributed by CoralVue to establish an unshakeable biological foundation in freshwater, marine reef, and pond environments. In closed aquatic systems, managing the nitrogen cycle is paramount to livestock survival. Fish respiration, organic detritus, and lingering uneaten food continuously decay into highly toxic ammonia and nitrites. Traditional plastic bio-balls or smooth glass rings provide limited surface areas, often clogging quickly and failing to support the massive populations of Nitrosomonas and Nitrobacter bacteria required for high-load bio-export. The IC-BSS1KG resolves this structural bottleneck by providing an extraordinarily vast, deeply porous internal labyrinth within a compact, space-saving design.
Rather than relying on basic molded clay or extruded stone, IceCap utilizes an advanced manufacturing matrix that clusters thousands of microscopic ceramic beads together into a rugged 1.25-inch ball configuration. This open-cell architecture ensures that water passes entirely through each sphere rather than flowing solely over the outer skin, eliminating stagnant dead zones and multiplying the active surface area exponentially. Because it packs an immense filtering surface area into just 40 distinct spheres, this heavy-duty bio-media can easily be packed into high-flow areas like under-cabinet sumps, trickle filters, heavy canister baskets, wet/dry towers, or the dedicated IceCap Bio-Sphere Media Tower. Chemically inert and highly durable, it provides a stable biological filter that safely processes waste without leaching altering silicates, shifting critical KH values, or degrading under high water pressure.
Key Features
Prohibits Biological Crash Down: The ultra-porous internal bead profile provides deep micro-cavities that shield biological colonies from complete die-offs during harsh equipment wipe-downs.
Eliminates Nitrate Trapping: Exceptional through-flow geometry allows physical waste to drift completely past the spheres rather than packing tightly inside, preventing hidden detritus traps.
Optimized for Liquid Pre-Seeding: High-wicking porous structure instantly draws in concentrated starter strains during pre-submersion prep to jumpstart newly cycling aquariums.
(Note: This biological media item includes one 1KG box containing exactly 40 Bio-Sphere balls and one mesh containment bag. Mechanical pre-filtration padding, structural stacking towers, and biological booster cultures are sold separately).
What’s Included:
(1) 1KG Box of IceCap Bio-Sphere Biological Filter Media Balls (40 pieces)
(1) Heavy-Duty Mesh Material Media Enclosure Bag
Technical Specs:
Official Manufacturing Title: IceCap Bio-Spheres Media - 1KG
SKU / Factory Part Identifier: IC-BSS1KG
Universal UPC Product Barcode: 6972809520710
Individual Sphere Dimension: 1.25-Inch Diameter (1-1/4" / ~31.75mm)
Net Material Unit Volume Mass: 1 Kilogram (2.2 lbs) dry retail configuration
Single Sphere Filtration Threshold: Rated for up to 18 Standard Gallons per Ball
Total Box Filtration Capacity: Treats up to 750 Standard Liquid Gallons (2,839 Liters) Max
Structural Chemical pH Matrix: 7.0–7.5 Inert Neutral Rating Profile
System Operational Compatibility: Safe for Freshwater, Marine Reefs, Brackish Systems, and Outdoor Ponds
- Unbox your IceCap Bio-Spheres and pour the 40 balls into the provided mesh media bag, closing it securely to lock the pieces inside.
- Thoroughly rinse the media bag under a high-pressure freshwater tap or inside a bucket of clean reverse osmosis (RO) water to clear out any dust generated during shipping transit. Do not use soap or chemical detergents.
- For accelerated biological cycling, place the rinsed media bag inside a clean container and pour in your preferred bacterial starter culture (such as Fauna Marin Bacto Blend), letting the spheres soak overnight to fully absorb the bacteria.
- Place the media bag directly into your filtration stream. Ideal zones include aquarium sumps, media filters, canister baskets, trickle towers, or right beneath your mechanical filter sock holders.
- If you prefer a cleaner layout with optimized bypass prevention, remove the spheres from the bag and slide them onto the rods of an option-ready IceCap Bio-Sphere Media Tower (IC-BSTWR).
- Clean and maintain the bio-filtration array every 12 months by pulling the media out and gently swishing it inside a bucket filled with salvaged tank water to dislodge light surface mulm.
Pro Tips:
- Never Clean or Replace Your Entire Bio-Media Bed All at Once. Your biological media houses the primary life-support colonies of your aquarium. If you scrub the spheres aggressively under hot chlorinated tap water, or replace the entire 1KG box at the same time, you will instantly sanitize and wipe out your beneficial nitrifying bacterial populations. This can trigger a catastrophic biological collapse known as "New Tank Syndrome," causing lethal ammonia spikes. Always rinse the media gently using drained tank water during a routine water change, and only replace up to 25% of the spheres per year if they show physical signs of structural wear.
- Always Route Your Water Through a Mechanical Filter Pad Before It Hits the Bio-Spheres. To keep your Bio-Spheres performing at peak biological efficiency for years, ensure they are positioned after your mechanical pre-filters (such as filter socks, roller mats, or coarse foam sponges). If raw, unfiltered aquarium water dumps directly onto the ceramic spheres, free-floating fish feces, uneaten food, and heavy plant detritus will quickly coat the porous exterior surface. This physically seals off the micro-tunnels, starving the underlying bacterial colonies of vital oxygen and dissolved nutrients.
- Pair These Spheres with the IceCap Media Tower to Prevent Detritus Accumulation. While dropping these spheres inside the included mesh bag works well, placing them onto the dedicated IceCap Bio-Sphere Media Tower (IC-BSTWR) upgrades your setup significantly. The tower holds 45 spheres neatly on open vertical pegs, completely eliminating the dense packing, shifting, and structural crushing associated with loose bags. This open-air framework allows detritus to drift cleanly to the floor of your sump for easy siphoning, rather than building up into a hidden nitrate-leaching pocket inside the center of a mesh bag mesh web.