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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.

71 results
Seachem Equilibrium Seachem Equilibrium
(4269)
Starting at $7.07
IN STOCK
Seachem Flourish™ Excel Seachem Flourish™ Excel
(4270)
Starting at $6.40
IN STOCK
Seachem Flourish Potassium Seachem Flourish Potassium
(4271)
Starting at $10.52
IN STOCK
Seachem Flourish™ Iron Seachem Flourish™ Iron
(4272)
Starting at $10.52
IN STOCK
Seachem Flourish™ Seachem Flourish™
(4273)
Starting at $10.52
IN STOCK
Seachem Flourish™ Nitrogen Seachem Flourish™ Nitrogen
(4274)
Starting at $10.52
IN STOCK
Seachem Flourish Trace Seachem Flourish Trace
(4275)
Starting at $10.52
IN STOCK
Seachem Discus Buffer Water Conditioner Seachem Discus Buffer Water Conditioner
(4390)
Starting at $21.65
IN STOCK
Seachem Cichlid Lake Salt Seachem Cichlid Lake Salt
(5773)
Starting at $6.79
IN STOCK
Seachem Cupramine Seachem Cupramine
(4402)
Starting at $8.50
IN STOCK
Kent Marine Essential Elements Kent Marine Essential Elements
(4458)
Starting at $10.99
IN STOCK
Two Little Fishies Kalkwasser Calcium Supplement Two Little Fishies Kalkwasser Calcium Supplement
(4492)
Starting at $15.26
IN STOCK
Two Little Fishies ReVive Coral Cleaner Two Little Fishies ReVive Coral Cleaner
(4876)
Starting at $10.48
IN STOCK
Tetra AquaSafe Plus Tetra AquaSafe Plus
(5378)
Starting at $9.99
API pH Up or pH Down Water Conditioner API pH Up or pH Down Water Conditioner
(4530)
Starting at $11.39
IN STOCK
Tetra EasyBalance Plus Tetra EasyBalance Plus
(5707)
Starting at $8.99
Kordon AmQuel Plus Ammonia Detoxifier Kordon AmQuel Plus Ammonia Detoxifier
(5458)
Starting at $9.99
IN STOCK
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