Premium Denitrifying Bacteria for Water Clarity & Bio Stability 

A healthy aquarium doesn’t start with clean water, it starts with good bacteria. Behind every crystal-clear tank is an invisible ecosystem working to break down waste, balance ammonia, and protect your fish from toxic spikes. 

Sunken Garden Good Bacteria is a highly effective liquid microbial supplement infused with powerful denitrifying bacterial strains that strengthen your aquarium’s nitrogen cycle, break down excess nitrate, and support a thriving aquatic life. 

Whether you’re setting up a new tank, maintaining a mature system, or recovering from a filter crash, this is the biological backbone your aquarium needs.

DIRECTIONS FOR USE 

✔ Shake well before every use
✔ Add 1 ml per 10 liters of water after every water change
✔ Use regularly for best results, especially in new or unstable tanks
✔ Overdosing is safe and will not harm aquatic life
✔ Store in a cool, dry place away from sunlight 

🕒 Shelf Life:

Effective for 10 years from manufacturing date 

Perfect for: 

• Freshwater aquariums of all sizes 

• Community tanks, planted tanks, shrimp tanks, terrariums, and paludariums 

• New tank setups, post-medication recovery, ammonia/nitrite spikes, or bio-filter restarts 

Safe for:

✅ Shrimp, snails, fry, and sensitive fish
✅ Aquascaped tanks and soil or inert substrates
✅ Use with sponge, hang-on, or canister filters 

Q1. Do I need to turn off my filter when dosing? 
No. You should leave all filters and aeration running to distribute bacteria evenly. 

Q2. Will this eliminate ammonia instantly? 
It supports natural bio-conversion over time. For emergency detox, pair with Sunken Garden Water Detoxifier. 

Q3. Can I use this daily? 
Yes, especially after water changes, medication, or filter cleaning. 

Q4. Is it safe for shrimp and baby fish? 
100%. It contains no harsh chemicals and helps invertebrate tanks thrive.