Potassium - Who cares?

[xenon]

Originally Posted by jason604

Found this on JL website it's a cube u put in ur sump and slowly dissolves in 4 months time to release potassium and iodine into ur tank. This would be perfect for lazy reefers like me if it works. Has any1 tried this?

http://www.jlaquatics.com/phpstore/s...t_ID=zv-gtpi05

It seems like a good idea but what if your corals consume very little potassium?

That means potassium would rise higher than needed and might give you a negative effect. No different than dosing blind without testing.