Seachem Laboratories Marine Buffer Saltwater Aquarium Water Treatment, 1.8 oz

Even small saltwater tanks need their pH watched closely, and the fish inside count on you to keep it right. Seachem Laboratories Marine Buffer is a water treatment made to help you raise marine pH toward the level marine fish prefer. This is the compact 1.8 oz size, a smart pick for nano saltwater setups, travel kits, or anyone who wants to try it before committing to a larger container on the shelf.

• This listing is the small 1.8 oz size, perfect for nano tanks, spot dosing, or a first try before you size up.
• The brand says Marine Buffer will safely raise marine pH to 8.3, a target suited to marine fish.
• Seachem notes it will not raise pH above 8.3 even if inadvertently overdosed, which is reassuring when you are dosing small volumes.
• It is a blended product, not just sodium bicarbonate or sodium carbonate, which the brand warns can push pH to dangerous levels if misused.
• The blend contains sodium, magnesium, calcium, strontium, and potassium salts of carbonate, bicarbonate, chloride, sulfate, and borate.
• Seachem suggests checking pH and total alkalinity with its MultiTest Marine pH and Alkalinity kit.
• The brand recommends pairing it with Marine Trace to restore the proper level of trace elements.
• It also suggests feeding NutriDiet Marine Flakes for thriving, healthy saltwater fish.
• Built for marine systems, it tucks easily into a small saltwater care kit or starter shelf.
• The small format also makes it easy to keep a backup on hand without it taking up much room.
• Because it will not overshoot 8.3, it suits the gentle, measured dosing that small marine tanks call for.
• It is designed to work alongside regular testing rather than as a one-time correction.

Whether you keep a nano reef or just want a modest amount on hand, this 1.8 oz size of Marine Buffer makes steady pH management approachable. Test as the brand recommends, dose carefully in small steps, and give the fish in your care the marine-friendly water chemistry they depend on every single day, even in the smallest setup.