New Brackish tank (upgrade)

[Build magazine]

25 gallon tank is being replaced by a 65 gallon acrylic been set up for two weeks today and just upgraded the filtration system from a ac 110 to 2 fluval 304's and used my old filter sponge from the current tank with a ac 50 placed it into one of the trays of the 304's, salt content and ph levels are the exact same in each tank can I transfer my gsp's today or should it cycle still cause new filters and the sponge being too small to have enough good bactira? I hope that was not too confusing lol..

Thanks Colin

[bryant]

I would be more worry about raising the salinity too high in too short of a time. If you do that you will kill all the bacteria in your filter media. I read it is safe to raise the salinity 1.002 a week. Anymore than that and you risk killing the bacteria.


I am assuming you are bringing the filter media from a fresh water setup.

[Build magazine]

No not from a freshwater set up, the tank is a brackash tank too.

[-DC-]

bacteria in a brackish tank wont mind the slanity if it's the same,

As for moving fish, if you've moved the media YES move the fish other wise you just wipe out the bacteria a clean tank has no food. They starve off VERY quickly

Here’s how i upgrade tanks I’ve done it more times then I can count over the years with fresh and brackish so far has worked 100% of the time haven’t has a mini cycle yet in a new tank!

step 1, fill new tank, adjust water to match, start new filters
step 2, move fish over
step 3, remove all dirty filter media from old filter wash it INTO the new tank, yes the dirtier it looks when your done the better!
step 4, place no cleaner media into new filters,


by the following morning tank will be clear, in the mean time the Mulm is seeding EVERYTHING your substrate, decor, filters ect.

works like a charm!

[Build magazine]

Thanks for the help I transfered the fish over yesterday they seem happy in there new larger home

[-DC-]

good too hear! what are you keeping ? any pics ?

[Build magazine]

good too hear! what are you keeping ? any pics ?

I have 3 green spotted puffers in the tank. Cell phone quality photos sorry





Heres one of the little guys, only one that wanted the photo op lol

[-DC-]

very nice, I had 5 figure 8's in my brackish community tank, they were the last brackish fish too be sold when i moved over to fresh water tanks. Puffers are great little fish very personable !