Potassium supplement for the planted aquarium
Highly concentrated (50,000 mg/L)
Does not contain phosphate or nitrate making it ideal for use with Flourish Nitrogen and Flourish Phosphorus

Nitrogen supplement for the planted aquarium
15,000 mg/L blend of nitrogen sources
Provides nitrogen in both the nitrate form and the ammonium form.

Nitrogen supplement for the planted aquarium
15,000 mg/L blend of nitrogen sources
Provides nitrogen in both the nitrate form and the ammonium form.

Bioavailable organic carbon source for the planted aquarium
Use as an alternative to CO2 injection or in addition to it
Introduces photosynthetic intermediates

Highly concentrated (10,000 mg/L) iron source for the planted aquarium
Ferrous gluconate iron
Ferrous gluconate is better suited to foliar feeding than iron-EDTA

Comprehensive supplement for the planted aquarium
Provides micro elements, trace elements and other nutrients
Does not contain significant levels of nitrogen or phosphorus

Comprehensive supplement for the planted aquarium
Provides micro elements, trace elements and other nutrients
Does not contain significant levels of nitrogen or phosphorus

API® AQUARIUM SALT is made from evaporated sea salt and is a must-have for your aquarium! AQUARIUM SALT promotes fish health by improving gill function, making it easier for fish to breathe.

No Need for Refrigeration
Two Year Shelf Life
One Formula Works in Fresh or Saltwater
Great for Use After Maintenance
Easy Dosing
Works in Every Type of System
Can Be Used with All Other FritzZyme Products

Naturally Clarifies Pond Water
Safe For All Plants and Wildlife
Concentrated for Value
Easy To Use
Compatible With All Other Fritz Products

The Original Live Nitrifying Bacteria
No Need for Refrigeration and One Year Shelf Life
Rapidly Eliminates Toxic Ammonia and Nitrite
FritzZyme® 9 is Good for Saltwater and Brackish Systems above 15 ppt
Great for Use After Maintenance

The Original Live Nitrifying Bacteria
No Need for Refrigeration, 18 Month Shelf Life
Naturally Eliminates Toxic Ammonia and Nitrite
FritzZyme® 7 is Good for Fresh and Brackish Systems
Great for Use After Maintenance