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Conditioners & Additives

Shop the LiveAquaria® Conditioners & Additives category for our selection of aquarium water conditioners and additives essential for maintaining ideal water parameters for freshwater and marine aquariums.

Our selection of aquarium water conditioners and additives include fundamental items including chlorine neutralizers, ammonia removers, and beneficial bacterial additives. We also offer a selection of buffers and reef supplements essential to achieving and maintaining ideal water parameters for your marine reef aquarium. You'll also find a selection of liquid plant nutrients great for hobbyists pursuing a freshwater planted aquariums.

79 results
Red Sea Reef Foundation C Reef Supplement Red Sea Reef Foundation C Reef Supplement
(4448)
Starting at $15.99
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
Seachem Reef Advantage Magnesium Seachem Reef Advantage Magnesium
(4452)
Starting at $12.85
IN STOCK
API PIMAFIX API PIMAFIX
(4404)
Starting at $9.52
IN STOCK
API MELAFIX API MELAFIX
(4405)
Starting at $9.53
IN STOCK
ChemiClean ChemiClean
(4375)
Starting at $24.95
IN STOCK
Clearance
Drs. Foster & Smith Sodium Bicarbonate Drs. Foster & Smith Sodium Bicarbonate
(4465)
Starting at $33.99
IN STOCK
On Sale
Aquarium Solutions PraziPro Aquarium Solutions PraziPro
(4394)
Starting at $14.74
IN STOCK
Aquarium Solutions Ich-X SW Aquarium Solutions Ich-X SW
(4395)
Starting at $11.79
IN STOCK
Reef Builder Reef Builder
(4470)
Starting at $21.00
IN STOCK
Reef Trace Reef Trace
(4463)
Starting at $10.61
IN STOCK
Reef Plus  Reef Plus
(4387)
Starting at $10.61
IN STOCK
Seachem StressGuard™ Fish Stress Reducer Seachem StressGuard™ Fish Stress Reducer
(4524)
Starting at $13.11
IN STOCK
Seachem Reef Complete Seachem Reef Complete
(4484)
Starting at $10.28
IN STOCK
Seachem Reef Advantage Calcium Seachem Reef Advantage Calcium
(4483)
Starting at $24.25
IN STOCK
Seachem Reef Buffer Seachem Reef Buffer
(4471)
Starting at $6.79
IN STOCK
Seachem Malawi/Victoria Buffer Seachem Malawi/Victoria Buffer
(4535)
Starting at $6.79
IN STOCK
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