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I'm seeing a huge jump in nitrates, from 5 to 20, and I'm wondering what the ideal level should be - thanks for the help Scott, this all started after adding the new achilles tang

Nitrates in an SPS tank should ideally be quite low, I'd say 20 is still on the higher side. For optimal health, they require strong water circulation and, in my experience, tend to thrive under metal halide lighting.

Good luck with your new Achilles tang, by the way - they can be notoriously tricky to keep.

nitrates are back in check, down to 5 ppm. my new achilles tang is thriving, colours are really coming back, nice and vibrant orange. will post more pics soon, check out my album for now: http/s654.photobucket.com/albums/uu267/talonix33/

You can still keep SPS with nitrates at 10, but ideally you want to get as close to zero as you can.

rileyon wrote: ↑Wed May 14, 2025 6:33 pm You can still keep SPS with nitrates at 10, but ideally you want to get as close to zero as you can.

Nitrate filter's doing its job, nitrate's back down to 0/5. Achilles tang's looking great, colours are really coming back and that white spot's gone. New pic's up, check it out. Thanks Scott

talonix wrote: ↑Wed May 14, 2025 2:12 pm I'm seeing a huge jump in nitrates, from 5 to 20, and I'm wondering what the ideal level should be - thanks for the help Scott, this all started after adding the new achilles tang

good stuff, my dream fish, hope he does well for you
can i be cheeky and ask what you paid for him?

good stuff, my dream fish. Hope he does well for you
Can i be cheeky and ask what you paid for him?

Hi Ben, I paid £175 for the little fella, he's doing great. Only thing is, he's a bit fussy eater, only munching on brineshrimp and marine mix, won't touch the algae sheets though. Had a bit of a disaster with a morish idol, died in delivery, gutted about that.

One day ill get my hands on an achilles tang, been eyein them for ages, nice score Scott

hi ben if you decide to get one make sure u have a uv steriliser and no sand in the tank for the first 3 months thats the easy way for keeping them once your ready to get 1 give me a shout and i will sort u out a deal on one

cheers mate, not for a bit yet, need another new tank first