API Fungus Cure and Green Water, plus more questions - Tropical Fish Keeping - Aquarium fish care and resources
LinkBack Thread Tools
post #1 of 7 Old 06-13-2008, 05:25 PM Thread Starter
New Member
API Fungus Cure and Green Water, plus more questions

First off, the API was the only fungus cure the pet shop near me sells and it turns the water green...was wondering if anybody knew how long this would last out of curiosity, since my filter is a sponge filter and doesn't contain activated carbon which removes the discoloration once treatment is complete.

Also, pet shop guy said that the fungus cure can also kill off good bacteria so I removed my sponge filter and kept it in some tank water I removed before I added the API...does anybody know if this is true or can I put the sponge filter back in?

ErinBBC is offline  
Sponsored Links
post #2 of 7 Old 06-13-2008, 05:39 PM
The green color is an indicator ..probebly Malachite Green and it will last @ 2 Days..I know that you should remove a carbon filter as the carbon will denature the medication...I am not sure the effect the sponge filter will have..I am preety sure it will stain it green....
JMeenen is offline  
post #3 of 7 Old 06-13-2008, 05:41 PM Thread Starter
New Member
My sponge is yellow now so I don't mind if it turns green! I just don't want to kill off all the nitrifying bacteria.
ErinBBC is offline  
post #4 of 7 Old 06-13-2008, 06:03 PM
okiemavis's Avatar
Well anti-fungals generally do kill off the bacteria, on the other hand, not running a filter is probably just as bad. What is the size of the tank? If it's under 5 gallons it's probably too small to ever cycle anyway, so you may as well put the filter back in.

Just make sure you monitor your water parameters very closely while you treat him, no point in treating him for fungus if you're giving him ammonia poisoning!
okiemavis is offline  
post #5 of 7 Old 06-13-2008, 06:33 PM Thread Starter
New Member
It's a five gallon tank...I also have bacteria supplement that I used when I was originally cycling the tank so perhaps I can add some of it to the sponge to help keep the bacteria levels up? Or should I just monitor the water parameters and add ammonia neutralizer if I have to?
ErinBBC is offline  
post #6 of 7 Old 06-13-2008, 06:57 PM
okiemavis's Avatar
No need to add ammonia neutralizer- I've got no idea how that reacts with the fugus cure and it could be *bad*. Just do a large water change and add the proper dosage of medication to the fresh water (so that it's the same concentration as the water you took out).

Actually I just googled Malachite Green and found out a lot. Apparently the dosage is extremely dependent on water parameters, and light inactivates it. Here's a link, read up!

okiemavis is offline  
post #7 of 7 Old 06-13-2008, 07:08 PM Thread Starter
New Member
Thanks Okie! Also found some info saying that if you do the dosage right and your pH is neutral the effect on good bacteria is low...good to know about the light though, he stays in the kitchen so I'll keep that light off.
ErinBBC is offline  

Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page

Posting Rules  
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

For the best viewing experience please update your browser to Google Chrome