The Cardinal Tetra brings delicate beauty to any home freshwater aquarium. It has a bright blue stripe contrasted by a lower red stripe that runs the entire length of its body. This coloration differs from its cousin, the Neon Tetra, which has a red stripe that runs only halfway down the body. Equally as peaceful as Neon Tetras, Paracheirodon axelrodi will school together for a brilliant display of activity and color to dress small to large aquarium systems.
Native to the slow moving waters of the various, well-vegetated tributaries in South America, the Cardinal Tetra needs at least a 10-gallon aquarium that is densely planted with areas of low or subdued lighting. Though relatively hardy, the Cardinal Tetra does best in soft, acidic water with few fluctuations in water parameters. The Cardinal Tetra should be kept in groups of six or more and be housed with equally peaceful tankmates.
Breeding the Cardinal Tetra requires very soft water in the 1-2 dH range, a pH of 5-6, and low lighting levels. The female may lay as many as 130 eggs and the adults should be removed at this time. The eggs will hatch in about 24 hours and will become waterborne in approximately five days. Feed the fry baby brine shrimp and other suitable small foods.
The Cardinal Tetra will accept many small foods such as brine shrimp or daphnia, freeze-dried bloodworms and tubifex, micro pellet food, and high quality flake food.
Size: Approx. 1"
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Spherical Phosphate-Adsorption Media for Use in All Freshwater & Marine Aquaria
Advanced adsorbent of phosphate and silicate; provides rapid results.
May be used on an on-going basis as part of a sensible nutrient-control program.
Spherical shape and porosity maximize reactive surface area; promotes reactivity and efficiency by maximizing contact time and minimizing tendency to pack and channel water, and outperforms competing non-spherical phosphate-adsorbent media.
Recommended usage is 2 g of Extrax Phos per 1 US-gallon (3.8 L) in aquarium; 600 grams will adsorb up to 20 mg/L phosphate in 300 US-gallons (1,136 L).
Does not release phosphate, silicate, or soluble compounds into aquarium system .
Safe for use in all freshwater and marine aquaria, including freshwater planted systems and reef systems.
Immediately Improves Water Quality in all Reef, Marine and Freshwater Aquaria
Immediately improves water quality in all manner of aquaria by enhancing the rate of particulate and dissolved organic material decomposition, enabling the constituents to be more effectively removed with protein skimming, activated carbon, and other means of biological and chemical filtration.
Safe for use with all fishes, invertebrates, and plants.
Particularly useful: in heavily-stocked, heavily-fed aquaria; during "hiccups" in water
quality in which the elevated concentration of organic material in the aquarium would negatively impact the health of the inhabitants.
Reacts completely; leaves no residual.
Formulated by a marine scientist.
Ionically Balanced Powered Calcium & Alkalinity for all marine fish & reef aquaria
The calcium-bearing component of a two-part method for dosing calcium and carbonates (the substances largely responsible for increasing alkalinity (”buffering capacity”)) in the same ratio as that found in natural seawater.
Benefits reef-building organisms such as corals, clams, calcareous algae, etc.
Simplifies calcium and alkalinity maintenance; economical for particularly large systems.
Contains no phosphate, silicate, or organic material.
Formulated by a marine scientist.
Complete Bioculture for all Freshwater and Planted Aquaria
Suspension of non-pathogenic aerobic and anaerobic microbes, as well as natural
enzymes, specifically formulated to establish biological filtration in new aquarium set-ups,and to enhance the rate of nitrification, denitrification, and organic waste degradationthrough complete nutrient remineralization. Specifically formulated for use in freshwater aquaria.
Particularly useful in freshwater aquaria with high population densities of fish species thatare active swimmers and/or require frequent feeding.
Supplied in a state of suspended animation for maximum longevity.
Formulated utilizing extensive data compiled by microbiologists.