Certainly very interesting discovery. My guess would be that excel did kill the algae on the ceramic disc thus unclogging it. Would give it a try tomorrow.

hi guys.. anyone tried it before? today i tried to dose excel using a syring right onto the ceramic. and i was amazed! for around 3second alot of very tiny bubbles were forced out after that it went back normal
and usually for my ceramic diffusor.. only the side are producing bubbles.. now after i shoot excel on it.. even the middle ceramic is producing tiny bubbles now!.. it seems like it have the abilty to remove the clog in the ceramic diffusor.. any one tried before and why issit so?
Certainly very interesting discovery. My guess would be that excel did kill the algae on the ceramic disc thus unclogging it. Would give it a try tomorrow.


Could that be concentrated Excel is acidic and that caused a reaction with the ceramic diffuser?
Acid + Carbonate based Diffuser --------> CO2 + water?


wow... interesting...
*off topic*
but why do you want to dose excel when you are already running your CO2??

ohh... i see...

My guess is that you squeeze the syringe fast that's why it produces so much bubbles. You could try filling the syringe with water instead. And see if the same happens.
I inject vitamins/fertilizers using syringe after every water change and also squeeze fast and hard. And alot of bubbles appeared.
God will make a way, where there seems to be no way

after the shooting of excel. not only the number of bubbles increase also tinyier bubbles appeared too. and this lasted for around 5 seconds then it turn back normal. i tried using water, npk and trace... all still the same after shooting.

Then maybe there's some short reaction going on.
God will make a way, where there seems to be no way

yea... thats why i posted and wanted to find out what happened..

Slightly off-topic.
So the improvement doesn't last long huh? Means it's back to bleaching? *groan*
Are there any other common chemicals we can use to unclog diffuser aside from bleach?
- eric

I believe this was due to certain chemical reaction. The next time you clean your diffuser, bring it out from water, pour some Excel on it to see if there is any reaction on the surface of the diffuser.
After the reaction, the surface is clean of algae. That's why you are getting all the tiny bubbles again. Just my thought. I could be wrong.
Keep experimenting, young scientist!
Cheers,
U.K.Lau

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