adding LR to existing tank

[spafeature]

have 'cured' lr from lfs that i have in a 5 gal tank w/live sand and a dinky little filter for some water motion. when is it safe to add the lr to my established tank? what should readings be in 5gal?

 

[drew2005]

Originally Posted by spafeature
have 'cured' lr from lfs that i have in a 5 gal tank w/live sand and a dinky little filter for some water motion. when is it safe to add the lr to my established tank? what should readings be in 5gal?
All readings should be 0.