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Additives by Type: Aquarium Buffer


Aquarium pH Buffer replenishes the carbonate and bicarbonate required to maintain or increase the alkalinity of captive marine systems. Alkalinity (carbonate hardness) in captive marine systems constantly decreases as biological processes remove carbonate, and produce acids that neutralize carbonate. Proper alkalinity should be maintained around 2.5-2.9 me (7-8 dKH) for marine fish tanks and 3.2-3.6 me (9-10 dKH) for reef tanks.

Sometimes aquariums in closed offices and homes maintain a low pH due to the accumulation of carbon dioxide in the air. This excess CO2 dissolves into the aquarium water and depresses the average pH. The Two Little Fishies CDX Carbon Dioxide Adsorption Media helps maintain and elevate aquarium pH by removing CO2 (carbon dioxide) introduced through a protein skimmer. Simply pour the CDX into a tall columnar reactor such as the Two Little Fishies PhosBan Reactor and connect the CDX-filled reactor to your protein skimmer's air intake hose. You can use the Two Little Fishies CDX Adaptor or a similar barbed, reducing fitting to connect the air intake for the protein skimmer to the outflow pipe of the reactor.
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Brightwell Aquatics Alkalin8.3 KH Buffer, 2 liters Brightwell Aquatics Alkalin8.3 KH Buffer, 2 liters

Product Code: RBA01007
Brightwell Aquatics Alkalin8.3 KH Buffer is a highly-effective alkalinity(KH)-increasing (”buffer”) solution. 2 liters.

Our Price: $28.26
In Stock
Brightwell Aquatics Alkalin8.3 KH Buffer, 20 KG Brightwell Aquatics Alkalin8.3 KH Buffer, 20 KG

Product Code: RBA01007
Brightwell Aquatics Alkalin8.3 KH Buffer is a highly-effective alkalinity(KH)-increasing (”buffer”) solution. 20 KG.

Our Price (price includes free shipping!) $278.32
In Stock
Brightwell Aquatics Alkalin8.3 KH Buffer, 500 ml Brightwell Aquatics Alkalin8.3 KH Buffer, 500 ml

Product Code: RBA01006
Brightwell Aquatics Alkalin8.3 KH Buffer is a highly-effective alkalinity(KH)-increasing (”buffer”) solution. 500 ml.

Our Price: $10.28
In Stock
Brightwell Aquatics Boost pH+ 2 L Brightwell Aquatics Boost pH+, 2 L

Product Code: RRBA01311
Brightwell Aquatics Boost pH+ is a high range pH increaser for all marine aquaria. Allows maintaining a pH of 8.3, 8.4 or 8.5 in difficult tanks without raising alkalinity (when used as directed). 2 liters.

Our Price: $35.51
In Stock
Brightwell Aquatics Boost pH 250 ml Brightwell Aquatics Boost pH+, 250 ml

Product Code: RBA01310
Brightwell Aquatics Boost pH+ is a high range pH increaser for all marine aquaria. Allows maintaining a pH of 8.3, 8.4 or 8.5 in difficult tanks without raising alkalinity (when used as directed). 250 ml.

Our Price: $6.73
In Stock
Brightwell Aquatics Boost pH+ 4 L Brightwell Aquatics Boost pH+, 4 L

Product Code: RRBA01313
Brightwell Aquatics Boost pH+ is a high range pH increaser for all marine aquaria. Allows maintaining a pH of 8.3, 8.4 or 8.5 in difficult tanks without raising alkalinity (when used as directed). 4 liters.

Our Price (price includes free shipping!) $62.99
In Stock
Brightwell Aquatics Boost pH 500 ml Brightwell Aquatics Boost pH+, 500 ml

Product Code: RBA01233
Brightwell Aquatics Boost pH+ is a high range pH increaser for all marine aquaria. Allows maintaining a pH of 8.3, 8.4 or 8.5 in difficult tanks without raising alkalinity (when used as directed). 500 ml.

Our Price: $14.99
(Out of Stock)
E.S.V. 32 oz B-Ionic Calcium Buffer System E.S.V. B-Ionic Calcium Buffer System 32 oz

Product Code: RESV00220
The E.S.V. B-Ionic Calcium Buffer is the original, unique, easy to use, two-component liquid supplement system. Each of the bottles is 16 oz.

Our Price: $21.99
In Stock
E.S.V. 64 oz B-Ionic Calcium Buffer System E.S.V. B-Ionic Calcium Buffer System 64 oz

Product Code: RESV00221
The E.S.V. B-Ionic Calcium Buffer is the original, unique, easy to use, two-component liquid supplement system. Each of the bottles is 32 oz.

Our Price: $29.99
(Out of Stock)
Fauna Marin Elementals KH Alkalinity 1000 ml Fauna Marin Elementals KH Alkalinity, 1000 ml

Product Code: RFM45107
Fauna Marin Elementals KH is a high-purity stabilized multi-carbonate solution that efficiently increases the carbonate hardness/alkalinity in reef aquariums. 1000 ml size.

Our Price: $26.24
In Stock
IceCap Color Changing CO2 Absorbent Media 1 kg IceCap Color Changing CO2 Absorbent Media, 1 kg

Product Code: RIC52083
Struggling with low pH? Frustrated by slow coral growth? The IceCap Color Changing CO2 Absorbent Media is a solution.

Our Price: $14.99
In Stock
Seachem Acid Buffer, 300 gm Seachem Acid Buffer, 300 gm

Product Code: RSC02460
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. 300 gm.

Our Price: $7.78
In Stock
Seachem Acid Regulator, 250 gm Seachem Acid Regulator, 250 gm

Product Code: RSC00760
Seachem Acid Regulator, 250 gm, adjusts pH to the acidic range (4.5–5.5) and softens water by precipitating calcium and magnesium. Acid Regulator supports the establishment of the optimal environment for all acid acclimated species (e.g. neons and other tetras, etc.). 250 gm.

Our Price: $8.00
In Stock
Seachem Alkaline Buffer 300 gm Seachem Alkaline Buffer, 300 gm

Product Code: RSC02360
Seachem Alkaline Buffer is a non–phosphate buffer to raise pH and alkalinity (KH) and buffer with Acid Buffer. These buffers are designed for the planted aquarium or for very hard water where phosphate buffers may pose an algae or cloudiness problem. Alkaline Buffer raises pH and buffers between 7.2 and 8.5. It is gentle, safe, and enhances the freshwater environment. 300 gm.

Our Price: $7.92
In Stock
Seachem Malawi Victoria Buffer, 300 gm Seachem Malawi Victoria Buffer, 300 gm

Product Code: RSC02960
Seachem Malawi/Victoria Buffer is a blend of carbonate salts designed to enhance the natural environment of cichlids by increasing carbonate hardness, buffer capacity, and pH. It is formulated to maintain a pH of 7.8–8.4. 300 gm

Our Price: $11.99
In Stock
Seachem Marine Buffer 1 Kg Seachem Marine Buffer 1 Kg

Product Code: RSC03470
Seachem Marine Buffer will safely raise marine pH to 8.3. It will not raise pH above 8.3 even if inadvertently overdosed. Marine Buffer is a blended product and is not just sodium bicarbonate or sodium carbonate, commonly sold as a substitute. 1 Kg.

Our Price: $23.16
In Stock
Seachem Marine Buffer 500 gm Seachem Marine Buffer, 500 gm

Product Code: RSC03430
Seachem Marine Buffer will safely raise marine pH to 8.3. It will not raise pH above 8.3 even if inadvertently overdosed. Marine Buffer is a blended product and is not just sodium bicarbonate or sodium carbonate, commonly sold as a substitute. 500 gm.

Our Price: $12.75
In Stock
Seachem Reef Buffer 1 kg Seachem Reef Buffer, 1 kg

Product Code: RSC06770
Seachem Reef Buffer will also 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. When pH is not an issue, Reef Builder should be your first choice for a carbonate alkalinity supplement. 1 kg.

Our Price: $23.16
In Stock
Seachem Reef Buffer 250 gm Seachem Reef Buffer, 250 gm

Product Code: RSC06760
Seachem Reef Buffer will also 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. When pH is not an issue, Reef Builder should be your first choice for a carbonate alkalinity supplement. 250 gm.

Our Price: $7.47
In Stock
Seachem Reef Buffer 4 kg Seachem Reef Buffer, 4 kg

Product Code: RSC06790
Seachem Reef Buffer will also 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. When pH is not an issue, Reef Builder should be your first choice for a carbonate alkalinity supplement. 4 kg.

Our Price (price includes free shipping!) $73.24
In Stock
Seachem Reef Builder 1.2 kg Seachem Reef Builder 1.2 kg

Product Code: RSC03670
Seachem 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. 1.2 kg.

Our Price: $23.16
In Stock
Seachem Reef Builder 300 gm Seachem Reef Builder, 300 gm

Product Code: RSC03660
Seachem 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. 300 gm.

Our Price: $7.47
In Stock
Seachem Reef Builder 4 kg Seachem Reef Builder, 4 kg

Product Code: RSC03690
Seachem 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. 4 kg.

Our Price (price includes free shipping!) $73.24
In Stock
Seachem Reef Builder 600 gm Seachem Reef Builder, 600 gm

Product Code: RSC03630
Seachem 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. 600 gm.

Our Price: $12.75
In Stock
Seachem Reef Carbonate, 500 ml Seachem Reef Carbonate, 500 ml

Product Code: RSC12190
Seachem 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. 500 ml size.

Our Price: $7.79
In Stock