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NEW UPDATE: Orders are currently delayed by up to 3 business days. Please keep this in mind when placing your order. Our customer service response time is also behind by up to 24-48 hours. We apologize for the delay! If you need your order ASAP we have added a new Get It Faster option!


Check out the most popular products on our website as chosen by our customers! 

Seachem Purigen Organic Resin Filter 100 ml
$9.49

Seachem Purigen Organic Resin Filter 100 ml

Seachem

Purigen is a premium synthetic adsorbent that is unlike any other filtration product. It is not a mixture of ion exchangers or adsorbents, but a un...

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Seachem Alkaline Buffer
from $4.99

Seachem Alkaline Buffer

Seachem

Adjusts pH to 7.2—8.5 Designed for use in planted aquariums Increases alkalinity Contains no phosphate

Seachem KanaPlex Fungal and Bacterial Treatment
$7.28

Seachem KanaPlex Fungal and Bacterial Treatment

Seachem

KanaPlex is a blended kanamycin based medication that safely and effectively treats several fungal, and bacterial fish diseases (dropsy, popeye, fi...

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Seachem Fine Mesh Aquarium Fish Net 3"
$1.90

Seachem Fine Mesh Aquarium Fish Net 3"

Seachem

Seachem Nets come in Regular and Fine Mesh for Delicate species. 12in and 16in Handles and Sizes from 3in to 12in

Seachem MetroPlex Parasitic and Bacterial Treatment
$7.28

Seachem MetroPlex Parasitic and Bacterial Treatment

Seachem

Metronidazole is an effective and safe treatment for several protozoan and anaerobic bacterial diseases of fish (Cryptocaryon, Hexamita, Ichthyopht...

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Seachem AmGuard
$8.29

Seachem AmGuard

Seachem

Detoxifies ammonia for up to 72 hours Ideal for emergency situations More effective than any other ammonia-binding product Most concentrated produ...

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Seachem Matrix
from $6.99

Seachem Matrix

Seachem

High capacity biofiltration Controls ammonia, nitrite, and nitrate Highly porous - enormous surface area (>~700 m2/L) Supports aerobic and anae...

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Seachem Equilibrium
$7.49

Seachem Equilibrium

Seachem

Restores and maintains mineral balance and GH Does not contain sodium or chloride like competing products Ideally suited for use with RO or DI wat...

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Seachem Neutral Regulator
from $7.99

Seachem Neutral Regulator

Seachem

Neutral Regulator® adjusts pH to neutral (pH 7.0) from either a low or high pH and maintains it there. It softens water by precipitating calcium an...

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Seachem Flourish Advance
from $5.75

Seachem Flourish Advance

Seachem

Natural phytohormone supplement for the planted aquarium Dramatically stimulates the growth of both roots and shoots in aquatic plants Enhances mi...

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Seachem De Nitrate
from $4.99

Seachem De Nitrate

Seachem

Removes nitrates, nitrites, ammonia, and organics High porosity biological media Pore size well suited for anaerobic bacteria No danger of hydroge...

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Seachem Purigen
from $20.99

Seachem Purigen

Seachem

Highest organic removal capacity Possesses enhanced capacity owing to its vast surface area; both spherical and macroreticular Helps control ammon...

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Seachem SeaGel
$5.99

Seachem SeaGel

Seachem

Removes phosphate, silicate, organics, metals, acids, and more 50/50 blend of MatrixCarbon™ and PhosGuard™ More convenient than two separate bags ...

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Seachem Brackish Salt
$5.99

Seachem Brackish Salt

Seachem

Creates ideal environment for livebearers and brackish fish Safe for plants Effective alternative to the sodium chloride based aquarium salts so p...

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Seachem Stress Guard
$4.39

Seachem Stress Guard

Seachem

Reduces stress when handling or transporting fish Antiseptic for fish Promotes healing Marine and freshwater

Seachem Laboratories Cupramine Copper Treatment
from $5.49

Seachem Laboratories Cupramine Copper Treatment

Seachem

Cupramine effectively eradicates Oodinium, Cryptocaryon, Amyloodinium, Ichthyophthirius, and other ectoparasites of both freshwater and marine fish...

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Seachem ParaGuard
from $5.99

Seachem ParaGuard

Seachem

ParaGuard is the only fish and filter safe aldehyde based (10% by weight) parasite control product available (for parasites on fish). Unlike highly...

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Seachem Clarity
from $3.99

Seachem Clarity

Seachem

Water clarifier for marine and freshwater Clears all types of clouding Reef and plant safe

Seachem Stability
from $3.25

Seachem Stability

Seachem

Stability® will rapidly and safely establish the aquarium biofilter in freshwater and marine systems, thereby preventing the #1 cause of fish death...

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Seachem Flourish Potassium
from $12.99

Seachem Flourish Potassium

Seachem

Potassium supplement for the planted aquarium Highly concentrated (50,000 mg/L) Does not contain phosphate or nitrate making it ideal for use with...

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Seachem Flourish
from $4.99

Seachem Flourish

Seachem

Comprehensive supplement for the planted aquarium Provides micro elements, trace elements and other nutrients Does not contain significant levels ...

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Seachem Flourish Iron Plant Supplement
from $6.99

Seachem Flourish Iron Plant Supplement

Seachem

Iron is immobile in plants. This means that plants cannot divert iron from older leaves to new ones. Therefore, deficiency symptoms appear first on...

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Seachem Flourish Excel
from $4.99

Seachem Flourish Excel

Seachem

Bioavailable organic carbon source for the planted aquarium Use as an alternative to CO2 injection or in addition to it Introduces photosynthetic ...

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Seachem Prime
from $4.25

Seachem Prime

Seachem

Prime is the complete and concentrated conditioner for both fresh and salt water. Prime removes chlorine, chloramine and ammonia. Prime conver...

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