Seachem

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Seachem Reef Carbonate
Seachem Reef Carbonate
Reef Carbonate is a concentrated (4,000 meq/L) optimized blend of carbonate and bicarbonate salts designed to restore and maintain alkalinity in the reef aquarium. Calcium and carbonates are essential to all coral growth. If either becomes deficient, coral growth will cease, followed by a rapid decline in coral health. Used as directed, Reef Carbonate will not deplete calcium, magnesium, or strontium...
from £5.09 inc VAT
Seachem Stability
Seachem Stability
Stability® will rapidly and safely establish the aquarium biofilter in freshwater and marine systems, thereby preventing the #1 cause of fish death: "new tank syndrome". Stability® is formulated specifically for the aquarium and contains a synergistic blend of aerobic, anaerobic, and facultative bacteria which facilitate the breakdown of waste organics, ammonia, nitrite and nitrate....
from £7.19 inc VAT

Seachem Prime
Seachem Prime
Prime is the complete and concentrated conditioner for both fresh and salt water. Removes chlorine, chloramine and ammonia. Use at start-up and whenever adding or replacing water. Converts ammonia into a safe, non-toxic form that is readily removed by the tank’s biofilter. May be used during tank cycling to alleviate ammonia/nitrite toxicity. Detoxifies nitrite and nitrate, allowing the...
from £6.69 inc VAT
Seachem Clarity
Seachem Clarity
Clarity™ is the ultimate clarifier for both fresh and saltwater. It employs an advanced polymeric flocculating agent that is both reef and plant safe. Clarity™ is the only clarifier on the market that does it all! Clarity™ will clear all types of clouding including, but not limited to, chemical clouding and particulate clouding (i.e. stirred up gravel bed). Freshwater and Marine....
£6.69 inc VAT

Seachem Amguard
Seachem Amguard
AmGuard™ safely, rapidly and efficiently removes toxic free ammonia. It is safe to use during tank cycling and is ideal for treating unexpected emergency situations. It reacts with free ammonia within minutes and does not alter pH. Ammonia can exist in two forms: free and ionized. It is only the free form that is toxic. Traditional ammonia test kits convert all ammonia to free ammonia by...
£11.19 inc VAT
Seachem Phosguard
Seachem Phosguard
PhosGuard™ rapidly removes phosphate and silicate from marine and freshwater aquaria. It is not recommended for phosphate buffered freshwater. PhosGuard™ is highly porous for high capacity and bead-shaped for optimum water flow. It outperforms all competing products.
from £6.79 inc VAT

Seachem De Nitrate 250ml
Seachem De Nitrate 250ml
De Nitrate removes nitrates, nitrites, ammonia, and organics from both fresh and marine water. The high porosity of de*nitrate supports the proliferation of both aerobic and anaerobic bacteria that further remove these toxic aquarium byproducts. Even when exhausted as an organic adsorbent, de*nitrate continues to be an excellent support for the biological filter and does not have to be removed. This...
£6.99 inc VAT
Seachem Reef Advantage Strontium 300g
Seachem Reef Advantage Strontium 300g
Reef StrontiumTM is intended to restore and maintain strontium to levels found in natural seawater without affecting pH. Strontium is utilized in the same manner as calcium and holds a similar importance in maintaining a vigorous level of growth.Strontium occurs in natural seawater at a concentration of about 8 to 10 mg/L. It is chemically very similar to calcium, and many organisms incorporate it...
£7.99 inc VAT

Seachem Reef Advantage Magnesium 300g
Seachem Reef Advantage Magnesium 300g
Seachem Reef Advantage Magnesium Reef Advantage Magnesium is a concentrated (80,000 ppm) optimized blend of magnesium, chloride, and sulfate salts designed to restore depleted levels of magnesium with minimal impact to the ionic ratios found in natural sea water. Reef Advantage Magnesium contains no ammonia! This is a common contaminant in every liquid magnesium supplement on the market. Severely depleted...
£7.99 inc VAT
Seachem Reef Strontium
Seachem Reef Strontium
Reef Strontium is intended to restore and maintain strontium to levels found in natural seawater without affecting pH. Strontium is utilized in the same manner as calcium and holds a similar importance in maintaining a vigorous level of growth. Strontium occurs in natural seawater at a concentration of about 8 to 10 mg/L. It is chemically very similar to calcium, and many organisms incorporate it...
from £9.59 inc VAT

Seachem Reef Iodide
Seachem Reef Iodide
Reef Iodide is a concentrated (8,000 mg/L) stabilized potassium iodide source for reef aquaria that will restore and maintain iodide levels to those found in natural sea water. It is formulated to provide a safe source of iodide that will not convert to toxic free iodine under storage or reef conditions. Iodine is as toxic as chlorine and should never be used in a reef system. However, iodide is as...
from £9.59 inc VAT
Seachem The Bag X1
Seachem The Bag X1
Seachem The Bag The Bag is an innovative welded filter bag with a durable non-stitched seam. It has a 180 micron mesh, is resistant to bleach, caustics, and acids, and comes with a convenient resealable locking closure. It is available in a convenient 5" x 10" size. It is ideal for all filtration products and has an exceptionally long life. Unlike stitched seams, welded seams are not subject to degradation...
£9.59 inc VAT

Seachem Matrix Carbon
Seachem Matrix Carbon
MatrixCarbon™ is a truly unique activated carbon. It is formed as a spherical bead for optimum hydrodynamics, and will not pack. It permits maximum water flow and contact with its high density of macroporous binding sites. MatrixCarbon™ has a very low ash content as indicated by its minimal impact on pH. Even when added to distilled water, it does not raise pH above 7.0. While all...
from £9.99 inc VAT
Seachem Purigen
Seachem Purigen
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 unique macro-porous synthetic polymer that removes soluble and insoluble impurities from water. Purigen® controls ammonia, nitrites and nitrates by removing nitrogenous organic waste that would otherwise release these harmful compounds. Purigen’s™...
from £10.79 inc VAT

Seachem Reef Plus
Seachem Reef Plus
Reef Plus is a full spectrum reef supplement containing trace elements, vitamins, and amino acids demonstrated to have a positive impact on the growth of corals and other desirable reef creatures. Reef Plus is formulated to provide nutrients available from natural tropical reef waters. Contains vitamin B12, vitamin C, thiamine, inositol, choline, iodide, and other essential constituents.
£10.79 inc VAT
Seachem Reef Trace
Seachem Reef Trace
Reef Trace supplies a broad range of trace elements demonstrated to be necessary for proper reef health and growth. Trace elements are normally depleted by utilization, oxidation and precipitation. This makes it important to restore trace elements on a regular basis. Reef Trace may be used alone or in conjunction with Reef Plus.
from £11.19 inc VAT

Seachem Reef Complete
Seachem Reef Complete
Reef Complete is a concentrated (160,000 mg/L) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater without affecting pH. Calcium and carbonates are essential to all coral growth. If either becomes deficient, coral growth will cease, followed by a rapid decline in coral health.
from £11.19 inc VAT
Seachem Reef Calcium
Seachem Reef Calcium
Reef Calcium is a concentrated (50,000 mg/L) bioavailable polygluconate complexed calcium intended to maintain calcium in the reef aquarium without altering pH. Reef Calcium may be used alone to maintain calcium but will provide enhanced levels of coral growth when used in conjunction with an ionic calcium supplement (Reef Complete, Reef Advantage Calcium). Reef Calcium is intended to maintain calcium...
£11.19 inc VAT

Seachem Reef Buffer
Seachem Reef Buffer
Reef Buffer will raise carbonate alkalinity; however, it is intended primarily for use as a buffer in a reef system where the maintenance of a pH of 8.3 is often difficult. Reef Buffer is specifically designed to meet the needs and requirements of the closed reef environment. The pK of a buffering agent is equivalent to the pH around which that buffer most strongly buffers. That would mean that...
from £11.19 inc VAT
Seachem Reef Builder
Seachem Reef Builder
Reef Builder raises carbonate alkalinity without immediately impacting on pH. With long term use there will be a tendency to stabilize at pH 8.3. Carbonates and calcium are essential to all coral growth. If either becomes deficient, coral growth will cease, followed by a rapid decline in coral health. Used as directed, Reef Builder™ will not deplete calcium, magnesium, or strontium which usually...
from £11.19 inc VAT

Seachem MultiTest Iodine and Iodide Test Kit
Seachem MultiTest Iodine and Iodide Test Kit
This kit measures iodine or iodide to less than 0.005 mg/L. MultiTest™Iodine/Iodide performs over 75 tests and contains a reference sample for validation. 75 test Fresh or saltwater use Unique indicator
£11.19 inc VAT
Seachem Multitest Nitrite/ Nitrate 75 Test Kit
Seachem Multitest Nitrite/ Nitrate 75 Test Kit
This kit measures nitrite down to 0.2 mgL and nitrate down to 2 mgL in marine or freshwater. 75 test Fresh or saltwater use Unique indicator
£11.19 inc VAT

Seachem Multitest Marine pH/Alkalinity Test Kit
Seachem Multitest Marine pH/Alkalinity Test Kit
This test kit features a unique dye that has a pronounced color change between 8.0 and 8.3, making it the easiest kit on the market to read in that critical range. Alkalinity may be read from the same sample in 0.5 meq/L increments. MultiTest Marine pH & Alkalinity performs over 75 tests and contains a reference sample for validation. 75 test For saltwater use only Unique indicator
£11.19 inc VAT
Seachem De Nitrate 500ml
Seachem De Nitrate 500ml
De Nitrate removes nitrates, nitrites, ammonia, and organics from both fresh and marine water. The high porosity of de*nitrate supports the proliferation of both aerobic and anaerobic bacteria that further remove these toxic aquarium byproducts. Even when exhausted as an organic adsorbent, de*nitrate continues to be an excellent support for the biological filter and does not have to be removed. This...
£11.49 inc VAT

Seachem Advantage Magnesium 600g
Seachem Advantage Magnesium 600g
Seachem Reef Advantage Magnesium Reef Advantage Magnesium is a concentrated (80,000 ppm) optimized blend of magnesium, chloride, and sulfate salts designed to restore depleted levels of magnesium with minimal impact to the ionic ratios found in natural sea water. Reef Advantage Magnesium contains no ammonia! This is a common contaminant in every liquid magnesium supplement on the market. Severely depleted...
£11.59 inc VAT
Seachem Reef Kalkwasser
Seachem Reef Kalkwasser
Reef Kalkwasser is a pure calcium hydroxide with unsurpassed purity and solubility characteristics. Calcium hydroxide is used to prepare limewater (kalkwasser) solutions that will maintain calcium concentrations at natural seawater levels. Kalkwasser solutions maintain calcium directly and carbonate alkalinity indirectly. There will be an increase in the build up of chalk on substrate and plumbing...
£12.79 inc VAT

Seachem PhosNetSeachem PhosNet
Seachem PhosNet
PhosNet™ is a granular ferric oxide (GFO) with high porosity, high surface area and high binding capacity. It will rapidly remove phosphates and silicates from both freshwater and saltwater and will not release them back into your aquarium. It exhibits stronger binding than most competing products and consequently can reduce phosphates and silicates to very low levels. PhosNet™ also offers...
from £12.79 inc VAT
Seachem Reef Dip - 250ml
Seachem Reef Dip - 250ml
Reef Dip contains elemental iodine complexed to a protective slime coat for safely and gently disinfecting corals. It is effective against bacteria, fungus, and protozoans. It may be used prophylactically (without evidence of disease) or to remedy diseased specimens. It is safe to use with both stony and soft corals. It is also safe for anemones and polyps. Reef Dip provides a protective slime...
£13.19 inc VAT

Seachem Fusion 1 - 500ml
Seachem Fusion 1 - 500ml
Reef Fusion 1 and Reef Fusion 2 are the foundation of a system formulated to provide the essentials for the reef aquarium. Reef Fusion 1 provides calcium, while Reef Fusion 2 provides alkalinity. When used together, the Reef Fusion system will maintain calcium and alkalinity levels. Reef Fusion 1 provides not only 100,000 mg/L of ionic calcium, but also includes biologically appropriate levels of...
£13.19 inc VAT
Seachem Fusion 2 - 500ml
Seachem Fusion 2 - 500ml
Reef Fusion 1 and Reef Fusion 2 are the foundation of a system formulated to provide the essentials for the reef aquarium. Reef Fusion 1 provides calcium, while Reef Fusion 2 provides alkalinity. When used together, the Reef Fusion system will maintain calcium and alkalinity levels. Reef Fusion 1 provides not only 100,000 mg/L of ionic calcium, but also includes biologically appropriate levels of...
£13.19 inc VAT

Seachem De Nitrate 1L
Seachem De Nitrate 1L
SeaChem De Nitrate 1000ml Seachem de nitrate removes nitrates, nitrites, ammonia, and organics from both fresh and marine water. The high porosity of de nitrate supports the proliferation of both aerobic and anaerobic bacteria that further remove these toxic aquarium byproducts. Even when exhausted as an organic adsorbent, de nitrate continues to be an excellent support for the biological filter and...
£17.99 inc VAT