04-16-2012, 12:32 PM
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Originally Posted by smit3183
Yeah, 2 different tanks. The brand new tank is getting the sand. I wouldn't call it alot of plants, but the Vals are reproducing nicely, gonna add in some watersprite the day I make the switch as a know this would help.
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This is how I reset my tanks, and I have 7 at present and all have been reset twice in the past 3 years, so I know this works.
Add the new substrate to the second tank. With playsand I rinse it as best as I can, dump it in the empty tank, then add about 5-6 inches of water, drain it out--this will remove a lot of fine dirt that got missed during the rinsing. Then add the hardscape (wood, rocks). Then carefully (to avoid stirring up the sand--a dish on the substrate helps) add some tap water using a dechlorinator immediately it starts to fill (to preserve the bacteria on the wood or rock if it came from an existing tank). Fill about 2/3 to 3/4 with tap water that is the same temp as the existing tank or warmer--never cooler. Move over the plants. Then move the filter and heaters over. Top up the water sufficient for the filters/heaters.
At this point I would check the pH of both tanks to ensure they are reasonably close. A difference of .5 or .6 is fine, but if it is greater, I would do a major water change in the existing tank where the fish still are, 1/2 or a bit more.
Lower the water at least half in the tank with the fish and move them over. Top up the new tank if needed. A good cover of floating plants is advisable.