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Green water
#1
Hi, im new to having a tropical aquarium, my tank is 170 litres, after every 4 days the water goes so green that we cant see the fish, i have changed the water 3 times now but it continues to do the same, can anybody please give me some advice as i really am getting frustrated with it and its a big job changing the water so often. 
Regards
Andy
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#2
Hello and welcome Andy Smile
How long has the tank been running for?
 😇 Heaven doesn’t want me...
And Hell is afraid I’ll take over! 😈
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  • Andy
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#3
Does the aquarium get any direct sunlight?
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#4
how long are the lights on for? what fish are in it? What filter are you running? give as much info as you can as it might be something easy to solve, like drawing curtains/blinds near the tank if in direct sunlight, or reducing the lighting hours etc..
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#5
(13-05-2019, 10:35 PM)Gingerlove05 Wrote: Hello and welcome Andy Smile
How long has the tank been running for?

Thank you.

He tank has only been running for 6 weeks.
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#6
(13-05-2019, 11:20 PM)stuaz Wrote: Does the aquarium get any direct sunlight?

No its not in any direct sunlight at all, but it is near the front door but we do have a long porch which does block a lot of the light.
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#7
(14-05-2019, 08:19 AM)fr499y Wrote: how long are the lights on for? what fish are in it? What filter are you running? give as much info as you can as it might be something easy to solve, like drawing curtains/blinds near the tank if in direct sunlight, or reducing the lighting hours etc..

Hi, the lights are LED lights and are on from 8am until 7pm then it has a blue night light that is on from 7pm until 10pm, i am running 2 filters inside the tank, 1 is a Aquael uni uv filter 750, this filter covers upto a 300 litre tank and mine is a 170 litre tank, the other filter is an Oase OxyMax 200 filter, i do clean the filters every few days, i have 49 tiny fish in the tank, they consist of 4 x dwarf gourami's, 4 x mollies, 3 little rams, 9 tiny endler guppies 24 blu, red and black neons and 5 other tiny fish that i can't remember what they are, lol.
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#8
Reduce the lighting, you want it to be on a max of 8 hours for the day lights. I run mine from 10am till 8pm with a ramp up and down. Don't clean the filters out until the flow reduces, and then only rinse in old tank water ( from water changes )
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#9
Yeah as @fr499y says reduce lighting. The blue light is still a light and will contribute to the issue as at the moment your running your lights from 8am until 10pm.
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#10
Did you cycle the tank before adding all the fish? Are you sure it's a green cloud that keeps returning?

Reduce lighting to no more than 8 hours as above anyway.....
If at first you don't succeed....
...get someone else to do it! Big Grin

Enjoy your fish, shrimps and snails!
Ian

All my posts are from a desktop.
Mobiles are way too complicated for me, although I do have one now. Wink
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