Free UK delivery on every order
Free 30-day returns · Secure checkout
Everyday essentials for dogs, cats & small pets
Free UK delivery on every order
Free 30-day returns · Secure checkout
Everyday essentials for dogs, cats & small pets
Free UK delivery on every order
Free 30-day returns · Secure checkout
Everyday essentials for dogs, cats & small pets
Free UK delivery on every order
Free 30-day returns · Secure checkout
Everyday essentials for dogs, cats & small pets
Free UK delivery on every order
Free 30-day returns · Secure checkout
Everyday essentials for dogs, cats & small pets
Free UK delivery on every order
Free 30-day returns · Secure checkout
Everyday essentials for dogs, cats & small pets
Free UK delivery on every order
Free 30-day returns · Secure checkout
Everyday essentials for dogs, cats & small pets
Free UK delivery on every order
Free 30-day returns · Secure checkout
Everyday essentials for dogs, cats & small pets
Free UK delivery on every order
Free 30-day returns · Secure checkout
Everyday essentials for dogs, cats & small pets
Free UK delivery on every order
Free 30-day returns · Secure checkout
Everyday essentials for dogs, cats & small pets

Orders are prepared in 1-3 business days and most orders arrive 3-7 business days after dispatch. You will get a tracking number by email.
You have 30 days from delivery to return an item for any reason. We email a prepaid return label, and your refund goes back to your original payment method within 10 business days of us receiving the item.
If you have a question about an item or your order, email bathpetsupplies.co.uk@gmail.com with the product name or order number. We reply within 1 business day (Monday to Friday).
Seachem Marine Buffer is a marine aquarium pH buffer designed to raise pH to 8.3, with a formula that will not raise pH above 8.3 even if inadvertently overdosed.
Maintaining a suitable pH is part of managing a marine aquarium, including a reef tank. Seachem Marine Buffer is made for that pH-adjustment role, with a stated target of 8.3 and a formula that sets an upper limit. The 1 kg (2.2 lbs) size provides the buffer in a single package for aquarium keepers who want a marine-specific blend rather than a single carbonate compound.
Seachem Marine Buffer is designed to raise marine pH to 8.3 and not above that level, even if it is inadvertently overdosed. This makes the product’s stated pH target clear for marine aquarium use. The buffer is formulated for adjusting marine pH, rather than for treating a particular aquarium condition or disease.
Seachem Marine Buffer is a blend, not simply sodium bicarbonate or sodium carbonate. Those compounds are commonly sold as substitutes, but they can raise pH to dangerous levels if they are not used properly. The blended formula includes several kinds of salts, giving the product a broader composition than either of those individual compounds.
Yes, Seachem Marine Buffer can be used safely in reef tanks. Its ingredients include sodium, magnesium, calcium, strontium, and potassium salts, along with the carbonate, bicarbonate, chloride, sulfate, and borate components. Borate contributes added stability, while magnesium helps alleviate precipitation effects.
Seachem Marine Buffer is suited to marine aquarium keepers who want a buffer with a defined pH target, including reef tank owners. It is a marine pH buffer with a blended salt formula and a stated upper limit of 8.3.
Q: What pH does Seachem Marine Buffer raise marine aquarium water to?
A: Seachem Marine Buffer is designed to raise marine pH to 8.3 and will not raise it above 8.3, even if inadvertently overdosed.
Q: Can Seachem Marine Buffer be used in a reef tank?
A: Yes. Seachem Marine Buffer can be used safely in reef tanks and contains borate for added stability and magnesium to help alleviate precipitation effects.
Free UK delivery on every order, with no minimum. Orders are prepared in 1-3 business days and most orders arrive 3-7 business days after dispatch. You will get a tracking number by email. See our shipping policy.
Free returns within 30 days. You have 30 days from delivery to return an item for any reason. We email a prepaid return label, and your refund goes back to your original payment method within 10 business days of us receiving the item. See our returns policy.
Damaged or wrong item? Email a photo to bathpetsupplies.co.uk@gmail.com and we will make it right.
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