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seven2sam
10/04/2012, 07:37 PM
So im lookin at upgrading my mothers reef tank from 10 to 20gallon.when i fill the 20 up im gunna use the already cycled watter from the ten along with the sand and liverock. Then top it off with newly mixed watter with matching salinity and ph.
will it be ok to add so much new watter at once without leting it cycle?

let mikey tryIt
10/04/2012, 09:46 PM
if you have a working filter that has been cycled and has established enough bacteria, then you should probably be ok with a 50% water addition.

lenzh
10/04/2012, 11:19 PM
Depending on how much sand you have, stirring it up might cause a release of nutrients and cause your new tank to cycle. If your live rock is mature you may want to use new rinsed sand, rather than transferring the sand from the 10 to prevent this from happening. Adding 50% water should be ok as long as you make sure you have the temperature equilibrated

seven2sam
10/04/2012, 11:30 PM
Depending on how much sand you have, stirring it up might cause a release of nutrients and cause your new tank to cycle. If your live rock is mature you may want to use new rinsed sand, rather than transferring the sand from the 10 to prevent this from happening. Adding 50% water should be ok as long as you make sure you have the temperature equilibrated

Thankyou for the advice.would it be a good idea to wash out the sand?for instance put it in a 5gal bucket and spray it with the hose and pour the water off the top a few times b4 adding it to the 20 .Cause new sand isint in the budget right now.

lenzh
10/04/2012, 11:48 PM
Thankyou for the advice.would it be a good idea to wash out the sand?for instance put it in a 5gal bucket and spray it with the hose and pour the water off the top a few times b4 adding it to the 20 .Cause new sand isint in the budget right now.

It is possible. Using new sand is safer, but if you rinse it well enough it will certainly be better than just transferring it over. The main issue is that there will be parts of your sandbed that contain anaerobic denitrifying bacteria and by stirring them up you will release nutrients and toxic sulfides into your tank. Rinse it well!

EllieSuz
10/05/2012, 07:42 AM
If you can't afford new sand at this point, you should probably wait on the upgrade until you can. A bag of sand to cover the bottom of such a small tank isn't very expensive. You haven't saved any money if you cause an ammonia spike that kills your livestock. Yes, you can wash your sand, but remember that adding sand washed in tap water changes the salinity of the whole system, not to mention that you should not add tap water in that volume to any tank.

seven2sam
10/05/2012, 10:17 AM
If you can't afford new sand at this point, you should probably wait on the upgrade until you can. A bag of sand to cover the bottom of such a small tank isn't very expensive. You haven't saved any money if you cause an ammonia spike that kills your livestock. Yes, you can wash your sand, but remember that adding sand washed in tap water changes the salinity of the whole system, not to mention that you should not add tap water in that volume to any tank.

so after rincing the sand and staring at it for 10 min i decited to just go buy new sand. thankyou for all the help will post a pic of the finish tank hopefully in a cupple hours if you care to take a peek.

EllieSuz
10/05/2012, 05:23 PM
Keep a cup or so of the old sand to "seed" the new stuff. Sprinkle the old sand on top. Now, here's the best hint you'll get on this subject. Put your rock in first, arrange it in a stack or two that pleases you. Rinse your new sand well and then give it a good soak in freshly made saltwater. Purchase a funnel at the nearest big box store, such as Walmart. This should be one of those black, long necked funnels from the automotive department that are used for oil changes. Typically, there is a vinyl hose that fits the neck of this funnel. Attach that hose to the funnel long enough to reach the bottom of the tank. Spoon wet sand into the funnel and guide it wherever you want the sand to settle. You won't get much clouding of the water with this method and you'll get the sand exactly where you want it.