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New scraper loosing the algae battle

wills wonderings

New Member
Joined
21 Nov 2020
Messages
15
Location
London
New tank of about 6 weeks which was seeded a fair amount of mature media from my old tank.
It started off really good but suddenly over the last 8 days I’ve gone from almost no real algae to an incredible amount.

I can literally watch them grow in front of my eyes.

i have BBA, green dust and I think a thread or staghorn algae.

My co2 is running lime green and I’ve moved it all over the place to check. I found the back left to be a dead spot so I extended the outlet toward the middle of the tank and added a little 300lph internal pump in the back left to create some turbulence.

I’m going to do another 50+% water change. My tap nitrate are around 40ppm and so the only Parma that seems out of balance on the nitrate.
Co2 comes on two hours before lights.
Lights run for 7 hours and only on full for 4 hours
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180l tank
Oase 600 thermo
Seeded from a 60l tank
6 weeks old

stock
16 neons
5 honey gourami
1 bristlenose
5 khuli
2 apisto borelli babies added yesterday as I had ordered in advance.
4 Amano
4 otos
 
Fert. Tropica specialised to start. 4 squirts a week. Now moved to adding 2 squirt premium each day. Plants are growing healthy
 
Fert. Tropica specialised to start. 4 squirts a week. Now moved to adding 2 squirt premium each day. Plants are growing healthy

That’s likely your problem. Premium contains no phosphate or nitrate, so you probably have created a deficiency by switching fertiliser which has given the algae the necessary advantage to get a hold.

I’d suggest switching back to Specialised and keeping to the 2 squirts a day minimum.
 
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