why is my water green, but everything is testing perfect?

Question

when i test my water everything is dead on. i've added no more algea water treatment, but it is still cloudy and green.

Answer 1

You don't like it much, but your fish love green water.

If there is that much algae in it, then you have some issues with either too much light or high levels of nitrates or nitrites.

When you say everything is "dead on", are you testing for all three toxins? Ammonia, nitrates, nitrites? They should all be 0!

Regular partial water changes are what is needed too. 25-30% each and every week. That will go a long way toward getting rid of the green water. Total darkness for a few days will help too.

Answer 2

To get rid of it try this

Option 1: Turn off the lights, but cover the entire fish tank up with a blanket for 4 days. Dont feed the fish, dont lift the blanket, leave it devoid of any light for atleast 4 days. The fish will be fine and the darkness will kill the algae spores.

Option 2: Buy a pond clarifier, ive used and recomend TetraPond Aqua Rem. It will make the algae spores clump together in 24 to 48 hours. Ive only had to use a teaspoon of it for a 10 gallon once 2 yrs ago and i havnt had the issue come back. In high doses it will kill fish as it is meant for ponds. A good gravel vacuming will be needed afterwards to remove the clumped up algae from the gravel and you will need to clean out your filter unit because it will be full of the algea. A partial waterchange in between treatments is also needed because the stuff does not dissapate and carbon does not take it out so you can leave your carbon cartriage in the filter since it makes no difference. For a 10-30 gallon i would only use a tsp amount, for 40 -60 use 2 tsp.

Causes for green water
- Exposure to sunlight, either directly or indirectly
- leaving the light on for more then 12 hours at a time
- Not enough partial waterchanges/gravel vacumings
- Excess phosphates in the water source (ie: drainage from a farm into a well system even if the person lives 2 miles from the farm)
- overfeeding

what were your water testings?
ammonia should be 0ppm
nitirites should be 0ppm
nitrates should be under 40ppm some say under 20ppm (these are controled by waterchanges)

Answer 3

Is the tank near a window? Too much sunlight will cause algae. And how long do you leave the light on? Try reducing the time. I've read on a fish forum, but never tried it, cover the tank with a big towel or blanket. No light at all-complete blackout for a few days.

Answer 4

Too much light is the simple answer. Shade it from windows and restrict electric lights to 8 to 10 hours a day.

Answer 5

DO NOT ADD CHLORINE!

Using chemicals doesn't usually help with a problem like this, IMO. Green water means your tank is probably being exposed to too much sunlight. If possible, remove it from direct sunlight

Answer 6

You have floating algae, the only way to get rid of it is to go to the pet store and buy some algae remover. Tell them the problem and they should be able to help you. Look at the link below this tells about it and how to get rid of it. Good luck!

Answer 7

Your talking about your aquarium water, right? DO NOT put chloreen in it(sorry i cant spell). That will kill the fish! it is caused by algae in your tank water. Here are some websites that will help you! http://www.aquariumfish.net/information/green_water.htm and one more... http://www.drhelm.com/aquarium/cloudy%20water.html good luck

Answer 8

The answer is probably the filter isn't working properly.You may need to buy a new one.

Answer 9

Nothing for me to say, because 8 in the corner said it all.

Answer 10

Hey,pour in about 3 gallon of clorine. It will clear up. Do this at night..
I had a pool service.