Possible Algae Issue?
A few of my plants have this brown/black residue. Could someone give me any advice on what could be causing this possible algae issue?
Tank Size: 260 litres (68 Gallons)
Lighting: Fluval Aquasky LED 2.0 33 WATTS 145cm long
Light Cycle: 9 hours
Fertilisers: Flourish Iron every other day 6.4ml. Flourish Potassium every other day 10ml. Flourish Nitrogen every 3 days 4ml. Easy-Life Profito plant fertiliser every day 3.6ml.
Water Change: 25% every 14 days.
Filtration: AllPondSolutions 1000 L/H Canister
C02: Injecting C02 on timer.
I also have a powerhead and two air stones.
Water Temp:25c (77f)
Thanks
A few of my plants have this brown/black residue. Could someone give me any advice on what could be causing this possible algae issue?
Tank Size: 260 litres (68 Gallons)
Lighting: Fluval Aquasky LED 2.0 33 WATTS 145cm long
Light Cycle: 9 hours
Fertilisers: Flourish Iron every other day 6.4ml. Flourish Potassium every other day 10ml. Flourish Nitrogen every 3 days 4ml. Easy-Life Profito plant fertiliser every day 3.6ml.
Water Change: 25% every 14 days.
Filtration: AllPondSolutions 1000 L/H Canister
C02: Injecting C02 on timer.
I also have a powerhead and two air stones.
Water Temp:25c (77f)
Thanks