SPS coral care for newbies

LPS, SPS and all coral chat
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bakerslab
Posts: 13
Joined: Thu Oct 10, 2024 1:43 am

SPS coral care for newbies

Post by bakerslab »

Just got my first SPS frags and I'm kinda nervous about keeping them alive. My tank's a 40-gallon with AI Prime lighting, running at 80% for 8 hours. Parameters are stable, 8.2 pH, 1.025 salinity, 0 nitrates. Any tips for a newbie?
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outback
Posts: 5
Joined: Wed Oct 09, 2024 8:42 pm

Re: SPS coral care for newbies

Post by outback »

Stability is key with SPS. Your params sound solid, but watch that lighting intensity. I'd dial it back to 70% for the first few weeks to avoid bleaching. Also, what's your alk sitting at? If it's below 8 dKH, you might wanna bump it up slowly.
metamorph
Posts: 8
Joined: Thu Oct 10, 2024 7:15 pm

Re: SPS coral care for newbies

Post by metamorph »

Yep, alk's a biggie. Mine crashed once and everything browned out. Now I dose daily to keep it at 9 dKH. Also, flow's huge for SPS. What kinda powerheads you running? Gotta keep those polyps dancing.
deepdive1
Posts: 2
Joined: Fri Oct 21, 2022 1:02 pm

Re: SPS coral care for newbies

Post by deepdive1 »

outback wrote: Sat Aug 16, 2025 1:21 am Stability is key with SPS. Your params sound solid, but watch that lighting intensity. I'd dial it back to 70% for the first few weeks to avoid bleaching. Also, what's your alk sitting at? If it's below 8 dKH, you might wanna bump it up slowly.
Agreed on the alk. I learned the hard way that swings mess with their vibe. Bakerslab, you testing magnesium too? Low mag can make alk adjustments sketchy.
cad
Posts: 3
Joined: Thu Oct 10, 2024 2:10 pm

Re: SPS coral care for newbies

Post by cad »

Flow's gotta be random, not just blasting one direction. I use two Nero 5s on opposite sides. And don't forget trace elements. SPS slurp up cal, mag, and strontium faster than you'd think.
dudekay
Posts: 15
Joined: Wed Feb 23, 2022 5:39 am

Re: SPS coral care for newbies

Post by dudekay »

How often you guys doing water changes? I'm at 10% weekly but wondering if I should cut it to biweekly. Tank's a 75-gallon with a bunch of Acros and Montis.
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bakerslab
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Joined: Thu Oct 10, 2024 1:43 am

Re: SPS coral care for newbies

Post by bakerslab »

Thanks for the advice, everyone. My alk's at 7.5 dKH, so I'll bump it up slowly. Running two MP10s for flow, and yeah, I test mag weekly—it's at 1350. Gonna dial back the lights too.
Dreamak
Posts: 7
Joined: Thu Oct 10, 2024 2:00 pm

Re: SPS coral care for newbies

Post by Dreamak »

dudekay wrote: Sat Aug 16, 2025 3:49 am How often you guys doing water changes? I'm at 10% weekly but wondering if I should cut it to biweekly. Tank's a 75-gallon with a bunch of Acros and Montis.
Stick with weekly if your nutrients are low. SPS thrive on consistency. I do 15% weekly with Red Sea Coral Pro salt. Keeps everything chill.
flavormist
Posts: 1
Joined: Thu Oct 10, 2024 3:52 pm

Re: SPS coral care for newbies

Post by flavormist »

Anyone have issues with pests? Just spotted some red bugs on my Acro. Not sure how to handle it without nuking the whole tank.
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outback
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Joined: Wed Oct 09, 2024 8:42 pm

Re: SPS coral care for newbies

Post by outback »

flavormist wrote: Sat Aug 16, 2025 6:10 am Anyone have issues with pests? Just spotted some red bugs on my Acro. Not sure how to handle it without nuking the whole tank.
Interceptor's the go-to for red bugs. Dose it in a QT tank if you can. Otherwise, follow the instructions to the letter. It's saved my Acros more than once.
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