Aquarium Doctor Bacteria and Fungus Control

What it is & how it works Dual Action: Targets both harmful bacteria (like Aeromonas, Pseudomonas) and fungal infections (like Saprolegnia). Broad Spectrum: Works in cold water, tropical, and marine setups, Filter Friendly: Can treat bacteria that attach to biological filters, How to Use Remove Carbon: Take out any activated carbon from your filter before starting treatment. Dose: Add 1ml of the solution for every 4.5 litres (1 gallon) of aquarium water using the built-in measure. Repeat (if needed): For severe cases, you can apply the daily treatment for up to 5 days. Important Considerations Bacterial Blooms: Cloudy water from new tanks often means bacterial blooms, which usually fix themselves as the tank cycles; adding chemicals can sometimes make it worse, says a YouTube video on bacterial blooms. Marine Inverts: If you have invertebrates in a marine tank, use this specific Bacteria & Fungus Control, not the marine-specific disease control which might contain copper, as noted by Pond Planet. Fish Type: Avoid using with sensitive fish like Elephant Noses.