Advanced Reefer
Rating - 100%
27   0   0
It can get low for short periods, although I would be curious what was eating up all the Mg. I've tested as low as 1000 at one time.

Remember, having Mg too high will cause your snails and some other inverts to get very lethargic and slow, which ultimately leads to death.
Whats too high ?

Sponsor Reefs

We're a FREE website, and we exist because of hobbyists like YOU who help us run this community.

Click here to sponsor $10: