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Well, it grows a tiny bit of brown algae on one of the tubes and a tiny bit on the glass, but that is it. I hear of all of these problems of it taking over. I have 1 oscar and I never change the water, just add more when the water evaporates. The tank is not clean, lots of leftover food on the bottom. Aren't these the main causes of it? Why then does my tank not grow algae? I even leave the light on from noon to midnight. Is it an enigma or does anyone know why this might be?

2006-10-31 04:47:19 · 10 answers · asked by Adam 2 in Pets Fish

10 answers

There could be a number of reasons. Lack of light. Lack of nutrients like phosphates, iron.... pH.


PS- Note that you really need to change out some of the water every so often. With a good filter, not having to many fish, or over feeding. Bacteria will convert ammonia to nitrites, and nitrites to nitrates. The problem is nothing converts nitrate into any thing. (Well if you had 10-20 times the mass of green plants that would work.) So nitrates will just build up to toxic levels. The fact that you are growing brown algae indicates low light lighting, and high nitrates.

2006-10-31 08:13:02 · answer #1 · answered by Anonymous · 0 0

Change your filter regularly to suck up the leftover food. You could have a filter that's too large for your tank as well. If you do eventually grow algae there is an algae removal liquid that you can add to the water when you change your filters but make sure it's O.K. to use with oscars{I have a goldfish and a fighting fish and it's fine to use with them}Leaving the light on might have something to do with the no algae growth,I think algae likes the dark.

2006-10-31 12:58:31 · answer #2 · answered by tequillajenny 2 · 0 0

Well, yes and no. Every 2 weeks you need to siphon 25% of you water out. (Like vacuming the bottom) If not the bacteria will grow to cause the algea to grow.

Another few reasons could be:
1. Is the tank in direct sunlight?
2. Do you leave the light on in the tank 24-7?

Either one of these could cause algea to grow.

2006-10-31 13:16:26 · answer #3 · answered by Jenna 4 · 0 0

Wow, but your oscar is being poisoned by you. Would you like to swim around in your own wastes for as long as you have left your fish to??
Clean the tank out!
Change, as in take out, & put clean back in, half of the water each week!
Worry about the lack of alge when you get the ph of the tank back to normal!

2006-10-31 12:54:11 · answer #4 · answered by fairly smart 7 · 0 1

It probably has to do with your water. There are minerals or trace amounts of chlorine preventing the algae from growing. Also, sunlight has to do with it-- so maybe you're not putting it close to a window?

2006-10-31 12:48:49 · answer #5 · answered by Anonymous · 0 0

well first of all i would like to say change ur water more and also it may be casue algae needs light to grow is there light in the tank?

2006-10-31 16:26:35 · answer #6 · answered by Skittles 4 · 0 0

Bet you have him in a 30 gallon tank too?

Read and educate yourself on the fish.

http://www.oscarfish.com/

2006-10-31 13:07:33 · answer #7 · answered by tikitiki 7 · 0 0

LUCKY YOU!!!! MY TANK GROWS TOOOOOO MUCH ALGAE!

2006-10-31 18:40:46 · answer #8 · answered by Anonymous · 0 0

keep the light all day and open your certains more for more sunlight but that is just wrong

2006-10-31 13:02:21 · answer #9 · answered by C live 5 · 0 2

It si probably made of black plastic.

2006-10-31 14:52:08 · answer #10 · answered by Potitin 5 · 0 0

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