BlueShark NitraCore Anaerobic Zone

DEEP CORE NITRATE REDUCTION

Every aquarium's nitrogen cycle has a gap. Your biological filter converts ammonia into nitrite, then nitrite into nitrate — but it stops there. Nitrate has no aerobic breakdown pathway. It accumulates indefinitely.

In reef tanks, even 1–5 ppm of nitrate can bleach sensitive corals, block skeleton growth, and fuel the pest algae that frustrates every hobbyist. In fish tanks, chronic elevated nitrate suppresses the immune system, making livestock perpetually vulnerable to disease. And in every tank, it means one thing: endless water changes.

NitraCore completes the cycle that standard filtration leaves unfinished. Its deep-pore architecture creates true anaerobic zones inside the media, where denitrifying bacteria convert nitrate all the way to harmless nitrogen gas — which simply off-gasses out of your tank. No water changes needed. No chemicals. No residue.

✓ Completes the full nitrogen cycle

✓ Converts nitrate to harmless N₂ gas

✓ Passive — no chemicals or daily dosing

✓ Preserves alkalinity (no water changes needed)

✓ Permanent media — colony lives indefinitely

Rinse before use. Place NitraCore where water flows steadily (canister or box filter). Maintain flow under 50 gal (200 L) per hour. Nitrates typically drop after several days and stabilize near 4–5 ppm (mg/L). Each 225 g (500 ml) treats 25–50 gallons (100–200 L).