purple up

[nofishnplease]

i saw a product a the lfs salled purple up says it promts diffrent colors of coarline alge. does any body use this?

 

[nycbob]

its just calcium in a bottle. i used it for a few weeks in the past. now i hv too much coraline algae. not sure if its the product, or my parameters r good.

 

[travis89]

If you keep your parameters good the coraline will grow, as nycbob said, it's just calcium.