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Algae is not a great thing, but there is nothing really
wrong with it except it seems unsightly to us.
It cleans the water just like other live green plants do.
When you have an algae problem, you should try to get
to the root of the problem to get rid of the algae,
not just try to kill 100% of the algae.
I dont care what manufacturers say about that stuff,
it in itself may be safe to fish, but the resulting death of
the algae coupled with plummetting oxygen levels can and will
kill fish.
There are many causes of algae, eradicate the cause, eradicate the
algae. Theres no simple "quick fix".
Algae can be caused by any one of these :
Too Much Light - too many hours of light
Tank situated too near a window
lack of live plants
overfeeding, excess nutrients in the water column
Nitrates - coming from fish waste conversion, or from tap water.
Phosphates in fertilizers.
Some good fixes for algae problems:
Lessen light by 2 hours a day
Move tank away from windows
Add Live Plants to outcompete the algae
Lessen feeding, dont overfeed, improve water change
schedule .
Dont use fertilizers with phosphates.
Buy an algae eating fish suited for your tank. (Not a Chinese Algae Eater - these fish are horrible, dont eat much algae, grow 11 inches and get super mean, often kill fish)
Use a quality algae magnet or algae sponge to remove from glass front.
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