hi thanks for the advice.

the area of the tank that the filter in is probably the most sheltered i guess.

the oxygen levels are fine, i also have an airstone in there and im not adding co2. i had a trouble a while ago with oxygen levels, all the fish were gasping at the surface, but this has ...

ok here goes

Temperature range - 25 - 26 degrees centigrade
pH - about 7.5
Ammonia - 0
Nitrate - 10
Nitrite - 0
Water change frequency 20% twice weekly with gravel vac

Tank set up - freshwater community
a) Size - 125 litres / 30 uk gallons
b) Substrate - gravel
c) Filtration - standard jewel ...

i have 3 plecos in my tank, a starlight bristlenose, a royal pleco and a gold nugget.

i put cucumber in for them, but it doesnt get eaten. can they survive just sucking on the side of the tank? i have 2 good pieces of bogwood in the tank, but they hide by the filter and dont touch the bogwood.
im ...

hi im new.
i adore plecos and have in my tank currently a starlight bristlenose, royal pleco and a gold nugget.

they all seem to hide out at the back of the tank, not touching the algae.
are there any plecos that are good algae eaters?