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Seachem Acid Buffer, 300 gm Seachem Acid Buffer, 300 gm

Seachem Acid Buffer is a non-phosphate buffer to lower pH and buffer with Alkaline Buffer. Both buffers are designed for the planted aquarium or for very hard water where phosphate buffers may pose an algae or cloudiness problem. Acid Buffer lowers pH and buffers between 5.0 and 8.0 when used with Alkaline Buffer. As Acid Buffer lowers pH it converts carbonate alkalinity (KH) into available CO2. It may also be used to safely lower pH in marine water.

  • To lower pH, use 2 g (1⁄4 teaspoon) to every 80 L (20 gallons*) daily until intended pH is reached (this dose lowers alkalinity by about 0.2 meq/L (0.6 dKH)). Best if added directly to aquarium.
  • If water is soft or not well buffered, use with Alkaline Buffer
  • TIP: Larger doses may be required in very hard (KH) alkaline waters

Our Price: $6.30
In Stock
Seachem Clarity 250 ml Seachem Clarity, 250 ml

Seachem 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. Seachem Clarity will clear all types of clouding including, but not limited to, chemical clouding and particulate clouding (i.e. stirred up gravel bed).


  • Seachem Clarity is for freshwater & saltwater aquariums
  • Use one capful for every 20 gallons. The entire 250 ml bottle will treat  1,000 gallons.
  • Works by clumping together small, cloudy matter in the aquarium, making the clumps large enough to be trapped in the filter media

Our Price: $7.13
In Stock
Seachem Clarity 4 Liter Seachem Clarity, 4 Liter

Seachem 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. Seachem Clarity will clear all types of clouding including, but not limited to, chemical clouding and particulate clouding (i.e. stirred up gravel bed).


  • Seachem Clarity is for freshwater & saltwater aquariums
  • Use one capful for every 40 gallons. The entire 4 Liter bottle will treat  16,000 gallons.
  • Works by clumping together small, cloudy matter in the aquarium, making the clumps large enough to be trapped in the filter media

Our Price: $68.65
In Stock
Seachem Clarity 500 ml Seachem Clarity, 500 ml

Seachem 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. Seachem Clarity will clear all types of clouding including, but not limited to, chemical clouding and particulate clouding (i.e. stirred up gravel bed).


  • Seachem Clarity is for freshwater & saltwater aquariums
  • Use one capful for every 20 gallons. The entire 500 ml bottle will treat  2,000 gallons.
  • Works by clumping together small, cloudy matter in the aquarium, making the clumps large enough to be trapped in the filter media

Our Price: $13.52
In Stock
Seachem Discus Buffer 250 gm Seachem Discus Buffer, 250 gm

Seachem Discus Buffer helps to replicate the ideal Discus environment (low pH & low GH (General Hardness)). Discus Buffer will lower pH and keep it lowered. Discus Buffer also softens water by precipitating calcium and magnesium.

  • Neutral Regulator and Discus Buffer can be used in combination to achieve a desired pH when performing water changes or adding top off water
  • Use 1 level teaspoon (7 g) for every 10-20 gallons daily until intended pH is reached. Thereafter, use once a month or with water changes as required to maintain pH.

Our Price: $6.44
In Stock
Seachem Equilibrium 300 gm Seachem Equilibrium, 300 gm

Seachem Equilibrium is specifically designed to establish the ideal mineral content for the planted aquarium. Equilibrium contains no sodium or chloride (which can be detrimental to a planted aquarium at elevated levels). Equilibrium is ideally suited for use with RO (reverse osmosis) or DI (deionized) water or any mineral deficient water. Equilibrium raises the essential mineral/electrolyte content (General Hardness) of the water to balance with and promote stability of the carbonate hardness.

To raise mineral content/general hardness (GH) by 1 meq/L (3 dH), add 16 g (1 tablespoon) for every 20 gallons when setting up an aquarium or when making water changes (add to new water).

Our Price: $6.30
In Stock
Seachem Flourish Excel 2 Liter Seachem Flourish Excel, 2 Liter

Seachem Flourish Excel is a source of bioavailable organic carbon. All plants require a source of carbon. This is typically obtained from CO2, but, may also be derived from simple organic compounds (such as photosynthetic intermediates). The use of either CO2 injection or Flourish Excel does not necessarily negate the use of the other. Because the processes of producing photosynthetic intermediates and building onto them occur simultaneously, one can derive a substantial benefit with the use of Flourish Excel either alone or in conjunction with CO2 . The combination is particularly ideal for situations when continuing to add CO2 could result in dangerously low pH levels. Flourish Excel also has iron reducing properties which promote the ferrous state of iron, which is more easily utilized by plants than ferric iron.


  • Organic carbon for freshwater planted aquariums
  • Can be used alone or in conjunction with CO2 injection
  • On initial use or after a water change use one capful for every 20 gallons. Thereafter use one capful for every 100 gallons. The entire 2 liter bottle will treat 400 gallons for 1-2 months.

Our Price: $32.19
(Out of Stock)
Seachem Flourish Excel 250 ml Seachem Flourish Excel, 250 ml

Seachem Flourish Excel is a source of bioavailable organic carbon. All plants require a source of carbon. This is typically obtained from CO2, but, may also be derived from simple organic compounds (such as photosynthetic intermediates). The use of either CO2 injection or Flourish Excel does not necessarily negate the use of the other. Because the processes of producing photosynthetic intermediates and building onto them occur simultaneously, one can derive a substantial benefit with the use of Flourish Excel either alone or in conjunction with CO2 . The combination is particularly ideal for situations when continuing to add CO2 could result in dangerously low pH levels. Flourish Excel also has iron reducing properties which promote the ferrous state of iron, which is more easily utilized by plants than ferric iron.


  • Organic carbon for freshwater planted aquariums
  • Can be used alone or in conjunction with CO2 injection
  • Use one capful for every 50 gallons every day or every other day. The entire 250 ml bottle will treat 50 gallons for 1-2 months.

Our Price: $5.86
In Stock
Seachem Flourish Excel 500 ml Seachem Flourish Excel, 500 ml

Seachem Flourish Excel is a source of bioavailable organic carbon. All plants require a source of carbon. This is typically obtained from CO2, but, may also be derived from simple organic compounds (such as photosynthetic intermediates). The use of either CO2 injection or Flourish Excel does not necessarily negate the use of the other. Because the processes of producing photosynthetic intermediates and building onto them occur simultaneously, one can derive a substantial benefit with the use of Flourish Excel either alone or in conjunction with CO2 . The combination is particularly ideal for situations when continuing to add CO2 could result in dangerously low pH levels. Flourish Excel also has iron reducing properties which promote the ferrous state of iron, which is more easily utilized by plants than ferric iron.


  • Organic carbon for freshwater planted aquariums
  • Can be used alone or in conjunction with CO2 injection
  • Use one capful for every 50 gallons every day or every other day. The entire 500 ml bottle will treat 100 gallons for 1-2 months.

Our Price: $9.38
(Out of Stock)
Seachem Flourish Excel 2 Liter Seachem Flourish Iron, 2 Liter

Seachem Flourish Iron is a highly concentrated (10,000 mg/L) ferrous iron (Fe+2) gluconate supplement. It should be used in those cases where the iron requirements exceed that which can be delivered by Seachem Flourish at the recommended dose or signs of iron deficiency appear (such as short and slender stems or yellowing between veins.) Contains no phosphate or nitrate.

  • For plants with high iron requirements or plants with iron deficiency
  • Use 1 capful (10 ml) for each 100 gallons or as required to maintain about 0.10 mg/L iron. Use the Seachem MultiTest Iron Test Kit to monitor iron concentrations.This 2 liter size treats 400 gallons for 1-2 months.

Our Price: $32.19
(Out of Stock)
Seachem Flourish Excel 250 ml Seachem Flourish Iron, 250 ml

Seachem Flourish Iron is a highly concentrated (10,000 mg/L) ferrous iron (Fe+2) gluconate supplement. It should be used in those cases where the iron requirements exceed that which can be delivered by Seachem Flourish at the recommended dose or signs of iron deficiency appear (such as short and slender stems or yellowing between veins.) Contains no phosphate or nitrate.

  • For plants with high iron requirements or plants with iron deficiency
  • Use 1 capful (5 ml) for each 50 gallons or as required to maintain about 0.10 mg/L iron. For smaller doses please note that each cap thread is about 1 ml. Use the Seachem MultiTest Iron Test Kit to monitor iron concentrations.This 250 ml size treats 50 gallons for 4-6 months.

Our Price: $5.86
In Stock
Seachem Flourish Excel 500 ml Seachem Flourish Iron, 500 ml

Seachem Flourish Iron is a highly concentrated (10,000 mg/L) ferrous iron (Fe+2) gluconate supplement. It should be used in those cases where the iron requirements exceed that which can be delivered by Seachem Flourish at the recommended dose or signs of iron deficiency appear (such as short and slender stems or yellowing between veins.) Contains no phosphate or nitrate.

  • For plants with high iron requirements or plants with iron deficiency
  • Use 1 capful (5 ml) for each 50 gallons or as required to maintain about 0.10 mg/L iron. For smaller doses please note that each cap thread is about 1 ml. Use the Seachem MultiTest Iron Test Kit to monitor iron concentrations.This 500 ml size treats 100 gallons for 4-6 months.

Our Price: $9.38
In Stock