Conditioners & Additives
Free Shipping!

Narrow Results

Special
Brand
Price
Aquarium Type
See all refinements

Conditioners & Additives

Conditioners and Additives offer a convenient solution to maintaining ideal aquarium water parameters. Choose from our wide selection of water conditioners for use in freshwater or saltwater aquariums.
56 results
On Sale
Drs. Foster & Smith Chlorine Neutralizer Drs. Foster & Smith Chlorine Neutralizer
(4499)
Starting at $18.58
IN STOCK
On Sale
Drs. Foster & Smith Live Nitrifying Bacteria Drs. Foster & Smith Live Nitrifying Bacteria
(4512)
Starting at $11.61
IN STOCK
AlgaeFix ® AlgaeFix ®
(4373)
Starting at $14.99
IN STOCK
API MELAFIX API MELAFIX
(4405)
Starting at $7.09
IN STOCK
API Stress Coat ® Plus API Stress Coat ® Plus
(4494)
Starting at $29.59
IN STOCK
Aquarium Solutions Ich-X SW Aquarium Solutions Ich-X SW
(4395)
Starting at $11.79
IN STOCK
On Sale
Aquarium Solutions PraziPro Aquarium Solutions PraziPro
(4394)
Starting at $45.99
IN STOCK
ChemiClean ChemiClean
(4375)
Starting at $24.95
IN STOCK
Cichlid Lake Salt Cichlid Lake Salt
(5773)
Starting at $6.59
IN STOCK
Flourish Liquid Plant Packs Flourish Liquid Plant Packs
(4276)
Starting at $12.87
IN STOCK
Flourish Tabs Flourish Tabs
(4255)
Starting at $24.28
IN STOCK
Flourish Trace Flourish Trace
(4275)
Starting at $10.22
IN STOCK
General Cure™ General Cure™
(4393)
Starting at $12.29
IN STOCK
Kalkwasser Calcium Supplement Kalkwasser Calcium Supplement
(4492)
Starting at $15.26
IN STOCK
Kent Marine Essential Elements Kent Marine Essential Elements
(4458)
Starting at $9.99
IN STOCK
Kent Marine Garlic Xtreme Kent Marine Garlic Xtreme
(4384)
Starting at $10.99
IN STOCK
Neutral Regulator  Neutral Regulator
(4536)
Starting at $21.02
IN STOCK
Red Sea Coral Colors A Reef Supplement Red Sea Coral Colors A Reef Supplement
(4435)
Starting at $14.99
IN STOCK
Red Sea Coral Colors B Reef Supplement Red Sea Coral Colors B Reef Supplement
(4460)
Starting at $14.99
IN STOCK
Red Sea Coral Colors C Reef Supplement Red Sea Coral Colors C Reef Supplement
(4450)
Starting at $14.99
IN STOCK
Red Sea Coral Colors D Reef Supplement Red Sea Coral Colors D Reef Supplement
(4461)
Starting at $14.99
IN STOCK
DFS21