I've got a couple more weeks (at most) of bio-ball time in here before they are all gone. Of course, I could leave them in as long as I want if they would help in a substrate change, but I'm currently down to maybe 1/8th of the number I used to have (maybe more - it's hard to gauge).
Even with their removal, nitrites and ammonia are zero under the normal bio-load, so something is picking up the slack (rock and/or substrate I assume).
Anyway, with the remaining bio-balls and about 80 pounds of established rock already in place, wouldn't new sand (bagged playsand of the proper kind) seed fairly rapidly?
I guess I think of my CC
all the time in terms of its bad nitrate properties and tend to forget that it's likely playing a large role in the positive end of the nitrogen cycle as well. Would this be a correct assumption?
In any case, the fish are at the Cupramine Spa right now, but I still have inverts in here and will be adding a few more during QT
time. There are 16 small hermits (scarlets, etc) and one happy Cleaner Shrimp... so I've got life in here I need to respect during these transitions.
What if I introduced the sand a section at a time? If I'm in six or eight weeks of QT
, what pace would you all suggest for removing a section of CC
and replacing it with sand. Once a week? Once every two weeks? Say a quarter or a fifth at a time or somesuch pace?
In any case, I'm more inclined to use non-LS
bagged playsand (again, vinegar fizz tested, etc) than risk a parasite with existing LS
. I don't need any more of those variables right now.
Linux: Because rebooting is for adding hardware.
90G acrylic/22G sump/TF100A skimmer
90lbs (45 liverocks.com & ~45 donated 14+ year old Fiji)
Imperator, D. Saddle Butterfly, 2 Percula Clowns, Cleaner Shrimp and an army of Hermits that never sleep