Upgrading tank 65 rsm250 to 125

DinoMagnet

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Alright y’all, so I’ve had my rsm250 for some time now. I want to upgrade to a 125 gal with a sump. Just wanna hear on how people have upgraded/transferred to a larger tank hassle free. Meaning less stress as possible for livestock. Thanks
 
Alright y’all, so I’ve had my rsm250 for some time now. I want to upgrade to a 125 gal with a sump. Just wanna hear on how people have upgraded/transferred to a larger tank hassle free. Meaning less stress as possible for livestock. Thanks

If the new tank hasn't been set up yet....the best way is to buy a large vat. Also have several buckets on hand.

Make a lot of extra water. Have it ready and heated. This will be valuable to have around.

Fill the vat and match all the tank chemistry. Temp, salinity, Alk, etc. This is separate from the extra water part. Keep at least 50 gallons of extra on hand.

Siphon out the sand and throw it away. You really need to buy new sand because sand gets super funky. Just take my word on that.

Add some Dr Tim's "one and only" or Fritz to the new tank or vat before you start the transfer.

If the new tank is already up and running and you're not using the vat, make sure the new tank has matching chemistry, temp, etc. Just like the vat.

Then Transfer everything over. Don't forget....siphon out the sand first or it will turn into a large silt storm and you can't see anything. If you can, put some filter socks on the new system to catch all the crap that will be floating around.

Best of luck!
 
Take your new sand you will use and pre rinse it in tap water hours until it’s clear, then your new setup will have zero clouding to deal with and the pre rinse in tap harmed nothing and was free


see our sand rinse thread for several before and after tank upgrades handy predictions chart on file there too


sandbed bacteria are not required in reefing at all. And our tanks don’t get adapted to them where absence of sandbed bacteria would cause harm, this is why pre rinsing all new sands in tap water doesn’t matter, only being totally cloud free matters, these guys wish they’d pre rinsed for sure but didn’t:

Pre rinse your new caribsea live sand because:
‘took months to clear’
www.reef2reef.com

Add new sand without rinse
Hi guy, I just add new special grade sand without rinse. I added slowly 1/3 bag per day, but didn’t rinse. My tank seem cloudy, but I have skimmer and 2 filter socks. My tank has sps, lps and 9 fishes. Should I expect a mini cycle. I concern my coral and fish die tomorrow
www.reef2reef.com
www.reef2reef.com
https://www.reef2reef.com/threads/so-i-didnt-rinse.592624/
https://www.reef2reef.com/threads/sandbed-stirred-up.544852/#post-5723606

https://www.reef2reef.com/threads/very-cloudy-water-after-sand-and-rock.559386/#post-5735864
https://www.reef2reef.com/threads/question-about-vacuuming-sand-bed.616059/ https://www.reef2reef.com/threads/new-tank-milky-cloudy.616519/
www.reef2reef.com

Ocean direct live sand from CaribSea
Has anyone used ocean direct sand and what are your thoughts? I used it in my nano and noticed that any sand movement clouds the area pretty quickly. Any fixes for this or is it just part of having this sand
www.reef2reef.com
www.reef2reef.com

10 days, still won't settle and clouds fully
https://www.reef2reef.com/threads/cloudy-tank.576835/

https://www.reef2reef.com/threads/bummer-could-use-some-help.558301/
 
Have your new tank prepped oppositely of how they prepped
 

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