Protocol QT-05No antibiotic
External parasites
The sign is behaviour before it is a lesion: startling during feeding, and gathering into small groups swimming through each other.
Step 0 · Identify
What you see at the pond
Clear parasites before treating bacteria. With parasites present, antibiotics do not hold — the most repeated cause in the document.
- Startling during feeding
- Gathering into small groups swimming through each other
- Heavy mucus loss, sluggish, poor appetite
Handling
Day by day
Environment first, medicine after. The chart below includes the withdrawal period.
- 1Stop feedingDay 1–2
Two days without feed so the fish tolerate the disinfection.
- 2Kill external parasitesDay 1–2BKC GRO then CuSO₄1 L/2,000 m³, wait 1 hour, then 1 kg/3,500 m³
BKC GRO is also sold as BKC GOLD. CuSO₄ is a common input.
- 3Fish under 20 days — gentlerEvery other dayPOWER GLUTA1 L / 5,000 m³ · no CuSO₄ for fry
- 4For gill flukesDay 1–2FYTOBLOOM PLUS + YUCCA GRO + salt1 L/1,500 m³ · 1 L/5,000 m³ · 10 kg/1,000 m³
YUCCA GRO exists only under the shrimp and snail lines. The fish line has YUCCA C.
- 5RecoveryDay 4–7HERB GUARD + QUICKSHELL GOLD1 L/1,000 kg + 1 L/1,000 kg feed
Withdrawal
None
No antibiotic, so no withdrawal period.
No improvement in 3–5 days
Parasites return if the bottom is still dirty. Repeat after 7–10 days and deal with the bottom properly, rather than raising chemical doses.
Note
Change 30% of the water once the fish are normal again, with PREMIX EDTA 1 kg/1,000 m³ after the change.
Products used
What to keep on hand
Doses are given in each step above. Open a product for its full label and registration number.
QUICKSHELL GOLDProvides minerals, supplements iron for rapid blood formation, and promotes thick, lustrous, healthy skin and scales.
HERB GUARDHerbal blend that supports liver health and helps with pale liver
YUCCA CRapidly absorbs toxic ammonia, prevents shock, stabilizes water environment
PREMIX EDTAChelating metal ions, reducing acid sulfate (iron, aluminum, manganese), detoxifying water
WORK COP PlusDisinfectant against bacteria, fungi and protozoan parasites; helps prevent fungal slime
POWER GLUTABroad-spectrum disinfectant against bacteria, fungi and protozoa; helps fish wounds heal fasterEasily confused with
Related protocols
If the signs do not match cleanly, check these before starting any medicine.