seaweed in sump

[stingjay]

hi ive had a mudsump on my tank for about 4yrs now and in that time the seaweed has never filled more than half the sump. ive used caleurpa,cheato and 2 other types that i don't know the name of.the tank is fine though but just wonder why j

[Cranners]

whats the lighting cycle and what lights have you got lighting your sump?

J

[stingjay]

the light is on 24/7 and its a 24w daylight bulb cheersj

[Vicky_99]

Are your nitrate levels really low all the time? It'll only grow to the amount of nutrients it has.

Vicky

[stingjay]

to be honest haven't tested ih a long time , but once they where 40-50 ppm and still seaweed didn't grow j

[Tetley]

Hi,

Try lighting it on a reverse cycle (main lights off, sump light on ect).

ATB

Tets.

[stingjay]

cheers chap i'll give that a go j