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Help with algae

D.Bezinski

Member
Joined
12 Dec 2021
Messages
27
Location
United Kingdoms
Hi All,
I need your help again in the fight with the algae on the pictures.
The aquarium is 1 year and 2 months old. 200L (tap water)
Tap water parameters: PH 7.6-7.8; Nitrate 20ppm; Ammonia 0; Nitrite 0; KH 10; GH 16
Light - Soliku 48w Full Spectrum LED. On at 13:00 to 21:00 with 30 min Sunrise and Sunset. Currently running on 70%
CO2 - Yes, Pressurized CO2 - 4 bubbles p/s.
Diffuser - JBL inline diffuser - Amazon product
Fertilizer - all my plants were covered with GSA and you guys advised me to switch to EI Method so i bought the EI started kit and started following the instruction. That helped but now my hardscape is looking like that and it's getting worse.
How i mix fertilizers:
Macros:
500lm water
17grams Potassium Nitrate
4.2grams Potassium Phosphate
25grams Magnesium Sulphate

Micro:
500ml water
4.2grams

Dosing:
Sun - Water change 40ml Macros
Mon - 40ml Micro
Tue - 40ml Marcos
Wed - 40ml Micro
Thu -40ml Macros
Fri - 40ml Micro
Sat -
After 2 months doing that the Nitrate levels went sky high so i stopped adding Potassium Nitrate. After a month doing this there is no change. Now when i test with API test kit the nitrate levels are still above 40ppm

When i treat locally with EasyCarbo, after 1 week there is no sign of the algae but then the start coming back.
Any help with be appreciated. Thanks
 

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Gorillastomp

Member
Joined
24 Jun 2021
Messages
118
Location
Canada,Quebec
You seems to have this algae around the same region, it could be a distribution issue of the Co2 around the bottom of this area.

You could move your DC in this area and see of the CO2 is adequate for a day or 2.
After 2 months doing that the Nitrate levels went sky high so i stopped adding Potassium Nitrate. After a month doing this there is no change. Now when i test with API test kit the nitrate levels are still above 40ppm
Do you have nitrate in the water you use for WC?
 

Simon Cole

Member
Joined
25 Dec 2018
Messages
708
Location
Buckingham
Not sure what to do about the algae. Other members should know. So I had a look at what it would look like if you removed the rocks and changed the plants around a bit.
better UKAPS tank.png
 

D.Bezinski

Member
Thread starter
Joined
12 Dec 2021
Messages
27
Location
United Kingdoms
You seems to have this algae around the same region, it could be a distribution issue of the Co2 around the bottom of this area.

You could move your DC in this area and see of the CO2 is adequate for a day or 2.
Do you have nitrate in the water you use for WC?
Hi,
I don't think the distribution of the CO2 is the problem because i have pretty good flow with that wave maker. I used to have some flow issues but the wave maker fixed that.
About the Nitrate. Yes, i have around 20-30ppm nitrates in my tap water. Also, when i test with the API test kit it show 40+.

Hi Simon
I might rescape the whole aquarium soon so i will definitely consider your idea :D
 

PARAGUAY

Member
Joined
13 Nov 2013
Messages
2,755
Location
Lancashire
Maybe increase water changes if using the EI method . At least 50or 60 %weekly and one through the week to bring down nitrates. I not sure stopping Potassium Nitrate helps
 
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