New tank

[rocsec1]

So I am finally getting ready to bring my 120 on line. It will tied into a 40b sump and a 40b frag tank. They have been up for 18 months. I am going to use new dry rock in the 120. Is it likely a cycle will start?

 

[mcgyvr]

Doubtful assuming the dry rock has little to no "dead" material on it.. It shouldn't..
There should be more than enough beneficial life in the other 2 tanks to account for any ammonia that does come from the dry rock..

 

[jeff240gallon]

Doubtful assuming the dry rock has little to no "dead" material on it.. It shouldn't..
There should be more than enough beneficial life in the other 2 tanks to account for any ammonia that does come from the dry rock..

+1. You could also get a small piece of live rock from a trustworthy tank. I had 235 pounds of dry rock then got five pounds of live, year later you should see my tank, red and purple coraline galore, hard tube worms, pods like crazy..


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[rocsec1]

I am going to order the rock from reef cleaners. I already have 70 or so lbs in the sump and frag tank.