night mode?

[cwb_reeftank]

What does the night mode do on a pump and what is its effects on the tank. Also what is the purpose of it and is it good to use?

 

[cromag27 Verified Sponsor]

Ramps down to give your livestock a little break at night time.

 

[cwb_reeftank]

this might sound dumb but what the effect on sps?