Dosing is kinder on fish –

2 step dosing acclimates fish for higher active dose rate. Dose on day 1 and again on day 4. Some parts of illness lifecycles cannot be killed so active ingredients need to be high for a longer period to attack these parts when the vulnerable part comes around. White spot is a great example of this.

You can repeat the dose, or treat the pond with an alternative treatment 7 days after the last dose has finished, following a 20% water change.

Yes, the UV will weaken the strength of the treatment and make it less effective

No, only use eaMedications with Koi Carp

Yes, always aerate the pond or treatment bath during use.

Only Formaldehyde and Malachite can be used together, wait 7 days after the final dose, and do a 20% water change before re-dosing, or treating with an alternative medication.