NorthFin Jumbo Fish Formula – Big Pellets for Big Freshwater Fish (4–6mm, Sinking)

A pellet that finally matches the size of your fish.

When your fish outgrow the little pellets, feeding gets frustrating — they gulp handfuls of tiny food and still act hungry, and the waste piles up.

NorthFin Jumbo Fish Formula is a substantial 4–6mm sinking pellet built for larger freshwater carnivores and omnivores, packed with marine protein and no artificial dyes or fillers, so big fish get a satisfying, nutrient-dense meal in fewer bites.

Jumbo Fish Formula comes from NorthFin, created by Darius Chodocinskas, an aquatic specialist with more than 30 years of experience who grew frustrated by the fillers, hormones, and artificial pigments in ordinary fish food. NorthFin is built on whole-ingredient marine nutrition — whole Antarctic krill, herring, and sardine meal, plus whole organic kelp — steam-extruded and made in Canada to preserve nutrients, stay easily digestible, and keep your water clean. No fillers, no hormones, no artificial pigments or dyes.

1. Feed 1–2 times a day.
2. Offer only what your fish finish in a few minutes.
3. Remove leftovers to keep the water clear.

Feed big fish like big fish. Add to cart.

Why NorthFin Jumbo Fish Formula

• Real color, naturally — Antarctic krill, astaxanthin, and spirulina keep large fish richly colored through natural carotenoids, never artificial dyes.
• Whole-ingredient nutrition — a marine-protein blend of whole krill, herring, and sardine meal gives big carnivores and omnivores a satisfying, nutrient-dense meal in fewer bites.
• Cleaner water — steam-extruded, easily digestible pellets mean low waste and clearer water even when feeding hungry large fish.
• No junk — no fillers, no hormones, no artificial pigments — just concentrated whole-food marine nutrition scaled up for big appetites.

Best For

Larger freshwater carnivores and omnivores — big cichlids, oscars, arowana, large catfish, and other sizeable freshwater fish that have outgrown small pellets. The substantial 4–6mm sinking pellet suits large mouths and lets big fish satisfy their appetite in fewer bites.

Key Ingredients

• Antarctic Krill — high-quality protein, amino acids, vitamins, and minerals, plus natural carotenoids and astaxanthin to bring out rich, vibrant color.
• High Omega-3 Herring Meal — top-grade fish meal with a higher concentration of DHA for healthy development, growth, and coloration.
• Certified Organic Kelp — marine seaweed supplying roughly 60 minerals, 21 amino acids, and 12 vitamins to improve overall health and activity.
• Spirulina — natural blue-green algae rich in protein, vitamins, and minerals that supports immune function, with natural pigments for color enhancement.
• Calcium Montmorillonite Clay — provides 67 minerals and essential trace elements to help correct dietary deficiencies.

Feeding

Feed 1–2 times daily, offering only as much as your fish will consume within a few minutes. Remove any uneaten food to keep water quality high. For the best condition and color, rotate with other NorthFin formulas through the week for dietary variety.

Ingredients

Whole Antarctic Krill Meal, High Omega-3 (DHA) Herring Meal, Whole Sardine Meal, Wheat Flour, Kelp, Spirulina, Garlic, Astaxanthin (Haematococcus Algae), Calcium Montmorillonite Clay, Vitamin A Acetate, L-Ascorbyl-2-Polyphosphate (Source of Vitamin C), D-Activated Animal-Sterol (D3), DL Alpha-tocopherol (E), Vitamin B12 Supplement, Riboflavin Supplement, Niacin, Pantothenic Acid, Thiamine, Calcium Pantothenate, Pyridoxine Hydrochloride, Folic Acid, Biotin, Choline Chloride, Cobalt Sulfate, Ferrous Sulfate, Manganese Sulfate, Selenium, Zinc.

Guaranteed Analysis

Crude Protein (Min): 44%
Crude Fat (Min): 5%
Crude Fiber (Max): 5%
Moisture (Max): 9%
Ash (Max): 9%

FAQ

Which fish is the 4–6mm pellet right for? It suits larger freshwater fish with big mouths — feed once or twice a day, offering only what your fish finish within a few minutes, and remove any leftovers.

Will it cloud my water? No. The pellets are highly digestible and low-waste, and they hold together as they sink rather than breaking apart and fouling the water.

Are the colors from dyes? No. The color comes from natural sources like krill-derived astaxanthin and spirulina — never artificial pigments or dyes.