
CH Royal Microbes Live P.N.S Bacteria
Royal Microbes is a live bacteria designed for aquarium use only. It helps improve water quality, provide nutrition for filter feeding organisms/coral/fish and can act as a probiotic. This bacteria will also help seed a new tank and or help tanks that have old tank syndrome but diversifying the current bacteria and adding new life to the microbiome.
One 16 oz bottle treats ~400 gallons
Dosage:
- Broadcast - 1.25 ml per gallon daily (or however often you desire but daily is recommended)
- Gut Loading - 1.25 ml per 1L (o.5 ml per 250 ml) of water to soak frozen fish/coral food for 5 mins before feeding
**You can increase dosage without negative issues**
This live bacteria is shelf stable and has a shelf life of 8 months. Store anywhere and allow the bottle to have indirect light (this can be just from the normal ceiling light). DO NOT STORE IN THE FRIDGE.
Purple non-sulfur bacteria are like a Swiss Army knife for reef tanks—helping with nutrient control, waste breakdown, microbial balance, and possibly even coral health. They’re especially valuable in tanks striving for natural, low-nutrient systems with minimal chemical intervention.
1. Nutrient Cycling (Especially Nitrogen and Phosphorus)
- PNSB can consume ammonia, nitrite, and nitrate, helping reduce these potentially toxic compounds.
- They also play a role in phosphorus removal, which helps prevent nuisance algae outbreaks.
2. Organic Waste Decomposition
- PNSB can break down dissolved organic carbon (DOC) and other waste compounds, improving water clarity and reducing detritus buildup.
3. Biofilm Formation and Competitive Exclusion
- PNSB can form stable biofilms that outcompete harmful bacteria and cyanobacteria.
- This can help prevent disease and minimize harmful microbial blooms.
4. Probiotic Effects
- Some aquarists and researchers suggest PNSB may help boost coral and fish immunity by outcompeting pathogens and producing beneficial enzymes or compounds.
- They may also produce vitamins (like B12) that are beneficial to corals and other filter feeders.
Disclaimer: Coral Hub U.S. is not responsible for the misuse of any of our products.

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