In reply to Eli … You’re doing everything correctly thus far, Just keep watching your discus, pipetting when called for.

Please see my full write-up below and let me know what are my options:
https://forum.simplydiscus.com/showthread.php?141299-HELP-Unknown-Discus-Sickness-(Video-attached)

In reply to Kevin …. After 24 hours it is too late to do anything. Just keep on trucking and hope for the best.

I don’t know if this is the right place to post this.

I need your expert advice. Last night I was putting some insecticide on my home on the side wall near my aquarium. I know I’m a fool for not covering my tank but since I am using a powder type and I hold the container below the tank level as I pour powder from the handheld bottle into a section between the side wall of the room and the aquarium.

Immediately I noticed there of “fumes” coming out from the side of the wall that seems to goes on top of the water column and falls into the water inside the tank. I was surprised of the fume because the powder is like baking soda in texture.

I am using pifpaf insecticide powder with 0.05% W/W of deltamethrin as per label and the rest 99.5% W/W of other ingredients not disclosed.

After 24 hours nothing seems extraordinary all fish are eating and alive but I have read online about 1 abstract study saying deltamethrin is highly toxic to fish under lab test at 0.001 mg/liter concentration of insecticide to tank water. They used an insecticide of 2.8% EC of deltamethrin in their tests. And after 96 hours their test fishs died depending on test concentration level.

Now I am in the middle of fish-in cycling. After 1 month of cycling I am still with 95% cloudiness (milky) intensity and you have replied in my comment in your cycling article not to change anything and just reduce feeding.

Hence I am hesitant to do water changes or run carbon.

Can you kindly advise what should I do? I am at a loss and I do not want to restart my cycling all over again.

Thanks in advance for your response.