Algae problems

darius3

AC Members
May 13, 2010
32
0
0
47
Bucharest, Romania
Hello,

I have serious problems with algae on my tank.
I noticed green spot algae on aquarium glass and also red alga on all leafs and lately I saw on the gravel a hair alga.
I made a photo with the red/hairy alga which is the most annoying.

I treated the water with H2O2 (3%), by adding 100ml H2O2 to 100 l water, then after 3 hours I made a 50% water change. I repeated the procedure after two days. I did this treatment two times but the algae were just a little affected.

Please find below all the details related to my aquarium:

Aquarium:
200L (100x40x50) 4 months old
Substrate: Dennerle Deponit-Mix Professional (9.6Kg) about 2.5cm and
AquaMedic - Hobby Volcanit 15 kg about 3.5cm in height.
Filter: JBL e900,
Ground convection heater Dupla Thermik Set 120, 20 W 3m, programmed to be on in the same time with the lights.
Water change is done 20% weekly.
Fertilization: Dennerle Perfect Plant System Set (S7, E15 si V30)
One amp of ProdiBio Digest added monthly.
Tests: NO2=0, NO3=10, GH=7, KH=3, pH=6.6, temp. is 26C-27C.

CO2: CO2 pressurized bottle, 2-3 bps, reactor 1000 Aqua Medic connected to filter output, Ph Controller fixed to PH 6.6

Light:
On top lamp at 10 cm above the tank: 1x Osram 39W/830 warm white and 2x Osram 39W/865 cool daylight
The lights are on 6 hours in the morning and 6 hours in the evening 7:45-13:45 and 15:00-21:00.

Fish:
11x Corydoras Panda (3cm), 8x Pangio Java Loach (6cm), 2x Bristlenose (6cm), 4x Molly Black (3cm),
2x Kryptopterus bicirrhis (4cm), 4x Poecilia reticulata (3cm)

Invertebrates:
4x anentome Helena, 50x Melanoides tuberculata, 7x Red Cherry Shrimp, 2x Zebra Nerite, 2x Tiger Nerite

Plants:
Anubias barteri – nana, Echinodorus 'Red Flame', Anubias hastifolia, Bacopa amplexicaulis,
Eichhornia crassipes, Pistia stratiotes, Nymphea Lotus red, Nymphaea 'Pygmaea Alba', Ceratopteris Thalictroides, Ludwigia Repens

Food:
Frozen Bloodworm (a half of square every 3 days),
Ocean nutrition tropical wafers and algae wafers, depends of how they are eaten, about 1 per day.

Any help will be much appreciated.

Thank you,
Darius

2010-03-17 20-10-24_algae2.JPG
 
Does your heater turn off at night!

You have a nutrient deficiency, the leaves on your plants are turning yellow. Use excel for a few days to kill the algae and up you fertilizer dosing and water change regime. 30-40% water change per week with ferts.
 
1) I am not familiar with those bulbs. What are tje "K" ratings for them??
2) When using H2O2, I would wait more then 3 hours before water changes.
 
Try backing off your lighting schedule a few hours and see if it makes a difference. They may be on too long (total time)
 
More Co2, less light. Spot treat with Seachem Excel, EasyCarbo or H2O2, and physically remove algae if possible.
 
Does your heater turn off at night!

You have a nutrient deficiency, the leaves on your plants are turning yellow. Use excel for a few days to kill the algae and up you fertilizer dosing and water change regime. 30-40% water change per week with ferts.

my heater does not have a controller, but I keep it with a programmable power source and sync it with the lights.
 
That looks like staghorn algae to me...but I'm no expert.

Here's a great article on algae:
http://www.aquaticscape.com/articles/algae.htm

Can you tell us more about the fertilization system you are using? I'm not familiar with the " Dennerle Perfect Plant System" - not commonly seen in the US that I know of...are you on the other side of the pond?

Dennerle Perfect Plant System is a German fertilization schema.
Here are the product details
http://www.dennerle.de/de-ga/Aquaristik/Pflanzenpflege/Basisduengung/GA_S7_VitaMix.pdf
http://www.dennerle.de/de-ga/Aquaristik/Pflanzenpflege/Basisduengung/GA_E15.pdf
[FONT=&quot]http://www.dennerle.de/de-ga/Aquaristik/Pflanzenpflege/Basisduengung/GA_V30.pdf[/FONT]
I'm from Bucharest/Romania.
 
AquariaCentral.com