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).
API QUICK START is a live nitrifying treatment for saltwater and reef aquariums, designed to start the biological cycle and help consume ammonia and nitrite in a 16 oz (473 mL) bottle.
Ammonia and nitrite can build up from fish waste in a new aquarium, contributing to new tank syndrome and fish loss. API QUICK START is made for the early stages of setting up an aquarium, as well as for established tanks where maintaining an active biological filter supports healthy water conditions. Its use spans freshwater and saltwater setups, with this product titled for saltwater and reef aquariums.
Its nitrifying bacillus is scientifically proven to quickly consume ammonia and nitrite, helping avert fish loss associated with new tank syndrome. The treatment starts the aquarium cycle immediately, and the brand says it allows fish to be added right away to a new freshwater or saltwater aquarium. This makes it relevant when preparing a new tank and addressing the waste-related compounds that can accumulate during setup.
Yes. API QUICK START also helps maintain an active biological filter in an established aquarium. That role makes it useful beyond initial setup: the same treatment can support healthy water conditions in an existing aquarium, rather than being limited to starting a new tank. The product is intended for saltwater and reef aquariums, and the stated new-tank use also includes freshwater setups.
API QUICK START contains live nitrifying bacillus, the biological component behind its ammonia- and nitrite-consuming purpose. The bacillus is patented, and the treatment is identified as all natural. Together, these details distinguish its cycle-starting function: it is a live nitrifying treatment intended to help establish or maintain aquarium biological filtration.
API QUICK START is suited to aquarium keepers setting up a new freshwater or saltwater tank, including saltwater and reef aquariums, and to those maintaining an active biological filter in an established aquarium. Its live nitrifying bacillus is designed to help consume ammonia and nitrite while supporting aquarium cycling and healthy water conditions.
Q: Can API QUICK START be used in a new freshwater aquarium?
A: Yes. API QUICK START starts the aquarium cycle immediately and allows immediate fish addition to a new freshwater or saltwater aquarium.
Q: Can API QUICK START be used in an established aquarium?
A: Yes. API QUICK START helps maintain an active biological filter in an established aquarium for healthy water conditions.
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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