Moving to a bigger tank
- Thread starter idan555
- Start date
Reef noob_
New member
Kind of an open question, don't you think?
If your equipment will size appropriately to the larger tank, keep it. Otherwise sell it if it's worth anything or trash it if not.
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If your equipment will size appropriately to the larger tank, keep it. Otherwise sell it if it's worth anything or trash it if not.
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You are right, all the equipment match for 150. (I bought over sized).
But what about the water and sand? Should I keep them?
If I dont add dry rock than it should avoid new cycle?
Vinny Kreyling
Premium Member
If sand has been in tank for some time dump it & go for new.
Water can be used along with the new.
Correct on the rock but some new can be added slowly.
Water can be used along with the new.
Correct on the rock but some new can be added slowly.
I have about 80lb now how much can I add cerffily without causing a cycle?
DougSupreme
New member
If you are using the existing rock, you should be able to replace it all without a cycle. Changing the sand shouldn't cause a cycle, unless it is the only source of denitrifying bacteria
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Vinny Kreyling
Premium Member
A lot will depend on the bio load presently in the tank.
DougSupreme
New member
If you are using all the existing rock, then you should be able to add as much dry rock as you want, assuming your bioload hasn't increased. You get a cycle, not from adding dry rock, but from having insufficient bacterial populations
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Anyone can recognize what type of rocks are these?
https://imgur.com/a/jHgVwfM
https://imgur.com/a/jHgVwfM
rjjr1963
New member
ReefsandGeeks
New member
I recently did an almost identical upgrade, from a 65g to a 150g. I reused 80% of my LR (other 20% wouldn't fit with my new aquascape, and about an equal amount of dry rock. I used about 40g of old water, and the rest new. No nitrogen cycle in my new tank at all, but am going through "the uglies" with algae. I did reuse my existing sand, but thoroughly cleaned it as if it were new. Could be some die off from whatever may not have been rinsed. New sand is possibly better, but I wanted to save money, so just reused. I'm a believer that if it's well cleaned, it's just as good ,or very close to as good as new sand that's also rinsed prior to adding to a new tank. Seems most people sugest new sand though.
I did a tank move (just different profile, similar volume), I kept my Pukani rock, tropic eden sand (rinsed it a couple of times), kept 1/2 of my tank water and matched the new water salinity. Also added a 8 ounce bottle of Microbacter so hoping that there wont be any nasty surprises regarding cycling and algae etc. So far the corals look happy as if nothing happened. We will see 
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