kellyboy47
Member
Having to repost because despite my best efforts this black slimey substance which I assume is algae is invasive to all parts of the tank from plants to hardscape to filters / glass (Please see attached photos)
I am still doing a 60 litre (33%) water change every week and clean both internal filters weekly but the problem is not abating although the fish seem fine. I'm worried the this 'black substance' is leeching into my substrate so just wondered if I should drain the tank down , clean thoroughly and buy new substrate. The tank was fine until I moved in February and the plants were growing so well but this is a battle I been waging since then and to be honest my patience is wearing a bit thin now. Any help / advice would be most welcome. The frogbit is growing well but I'm not sure its helping as it should
This is my tank:
1. Size of tank in litres. 180
2. Age of the set - up. 4 months
3. Filtration. Juwel Internal Filter and Fluval U4
4. Lighting and duration. Juwel Helialux 920
5. Substrate. Tropica Aquarium Soil
6. Co2 dosing or Non-dosing. Easycarbo (daily)
7. Fertilizers used & Ratios. Macro (Potassium Nitrate/Magnesium Sulphate/Potassium Phosphate) Micro ferts (Chelated Trace) alternate days
8. Water change regime and type. 60 litres weekly and both filter material cleaned
9. Plant list + When planted. Echinodorus Bleheri & Hottonia
10. Inhabitants. 3 x Blue Acara (Large) 2 x Bolivian Ram, 1 x Rainbowfish, 5 x Corydoras
11. Full tank shot & Surface Image. Attached
And this is my current lighting period
Dawn 9-10 White 0% Blue 40%
Sunrise 11-1 White 85% Blue 85%
Sunset 5-8 White 5% Blue 40%
Dusk 9-10.30 White 0% Blue 0%
I am still doing a 60 litre (33%) water change every week and clean both internal filters weekly but the problem is not abating although the fish seem fine. I'm worried the this 'black substance' is leeching into my substrate so just wondered if I should drain the tank down , clean thoroughly and buy new substrate. The tank was fine until I moved in February and the plants were growing so well but this is a battle I been waging since then and to be honest my patience is wearing a bit thin now. Any help / advice would be most welcome. The frogbit is growing well but I'm not sure its helping as it should
This is my tank:
1. Size of tank in litres. 180
2. Age of the set - up. 4 months
3. Filtration. Juwel Internal Filter and Fluval U4
4. Lighting and duration. Juwel Helialux 920
5. Substrate. Tropica Aquarium Soil
6. Co2 dosing or Non-dosing. Easycarbo (daily)
7. Fertilizers used & Ratios. Macro (Potassium Nitrate/Magnesium Sulphate/Potassium Phosphate) Micro ferts (Chelated Trace) alternate days
8. Water change regime and type. 60 litres weekly and both filter material cleaned
9. Plant list + When planted. Echinodorus Bleheri & Hottonia
10. Inhabitants. 3 x Blue Acara (Large) 2 x Bolivian Ram, 1 x Rainbowfish, 5 x Corydoras
11. Full tank shot & Surface Image. Attached
And this is my current lighting period
Dawn 9-10 White 0% Blue 40%
Sunrise 11-1 White 85% Blue 85%
Sunset 5-8 White 5% Blue 40%
Dusk 9-10.30 White 0% Blue 0%