Cats Paw help

eirvin15

New Member
View Badges
Joined
Jul 2, 2025
Messages
8
Reaction score
8
Location
Columbia
Rating - 0%
0   0   0
I got a stylophora coral at my LFS for my 13.5 nano tank (6-7 months old) and for 2 weeks it was doing good and was really flourishing. Now not so much, LFS said it was “new growth” but idk. I did a water change to see if it was ammonia.
*Also i do not have exact water parameters rn bc i dont test at home with the fancy test kits.

image.jpg image.jpg image.jpg
 

bluemon

Lazy DIY Reefer
View Badges
Joined
Jun 20, 2017
Messages
2,620
Reaction score
2,507
Location
California
Rating - 0%
0   0   0
With SPS, you will definitely have to test with “fancy test kits”

You don’t even need fancy test kits, but you will need some for at LEAST calcium, alkalinity, magnesium, nitrate and phosphates.

You can’t expect success without testing
 
OP
OP
E

eirvin15

New Member
View Badges
Joined
Jul 2, 2025
Messages
8
Reaction score
8
Location
Columbia
Rating - 0%
0   0   0
With SPS, you will definitely have to test with “fancy test kits”

You don’t even need fancy test kits, but you will need some for at LEAST calcium, alkalinity, magnesium, nitrate and phosphates.

You can’t expect success without testing
i usually bring my water into my LFS store to test every so often and they say my parameters are great. I’ve tried using redseas testers but i couldn’t figure out how to test with them for some reason. what do you recommend?
 

NewCaliCaptives

Active Member
View Badges
Joined
Sep 3, 2020
Messages
281
Reaction score
255
Location
Wichita, KS
Rating - 0%
0   0   0
Gotta try, it’s an absolute necessity you learn to do these tests just follow the directions to a T and you’ll be good. Hanna testers are easiest to read, but not always the easiest to perform. Would you mind listing the params you do test for currently and their values? ( Temp, Salinity, etc.)

With SPS Alkalinity ahould be tested often and supplemented to remain stable along with calcium. Salinity is also a big deal that many people neglect. Phosphates I find to be far more important than nitrate numbers. Get those test kits!!
 

bluemon

Lazy DIY Reefer
View Badges
Joined
Jun 20, 2017
Messages
2,620
Reaction score
2,507
Location
California
Rating - 0%
0   0   0
Gotta try, it’s an absolute necessity you learn to do these tests just follow the directions to a T and you’ll be good. Hanna testers are easiest to read, but not always the easiest to perform. Would you mind listing the params you do test for currently and their values? ( Temp, Salinity, etc.)

With SPS Alkalinity ahould be tested often and supplemented to remain stable along with calcium. Salinity is also a big deal that many people neglect. Phosphates I find to be far more important than nitrate numbers. Get those test kits!!

I would say Hanna test kits are the easiest, especially compared to some of the titrations you have to do with regular test kits.

i usually bring my water into my LFS store to test every so often and they say my parameters are great. I’ve tried using redseas testers but i couldn’t figure out how to test with them for some reason. what do you recommend?

Do they tell you “they look great” or do they actually give you numbers?

Not sure I would trust an LFS that just tells you the former, unless they’re doing it for free
 

Matt Bravo

Well-Known Member
View Badges
Joined
Sep 11, 2022
Messages
774
Reaction score
377
Location
New York
Rating - 0%
0   0   0
As others have stated, in order to properly care for sps testing is a necessity. They are considered to be some of the most sensitive corals that require stable environments to thrive. Get test kits for 1)alkalinity,2)magnesium,3)calcium,4)nitrate and 5) phosphate.

The stylo is definitely struggling and is on its way out unless you figure out what the issue is. Corals can have miraculous comebacks through, don’t pull it until it’s gone. Good luck
 

NewCaliCaptives

Active Member
View Badges
Joined
Sep 3, 2020
Messages
281
Reaction score
255
Location
Wichita, KS
Rating - 0%
0   0   0
I would also like to add just so you know for the future, the way you can tell it isn’t new growth is because you can actually see the skeleton without tissue and the rest of the coral isn’t polyped out and happy. Sometimes growth tips WILL be white or pale, but they will have flesh and the coral will be very happy looking. There is no flesh on these, and there is a clear boundary where the flesh has been stripped away.

The tank also looks pretty new, get some easier corals like zoas, leathers etc. and follow the progression. FWIW local fish stores are almost always dishing out bad advice and very few know about corals as much as they do fish.
 

BryanM

7500 Club Member
View Badges
Joined
Jun 27, 2024
Messages
7,939
Reaction score
9,730
Location
Morgan Hill
Rating - 100%
1   0   0
I got a stylophora coral at my LFS for my 13.5 nano tank (6-7 months old) and for 2 weeks it was doing good and was really flourishing. Now not so much, LFS said it was “new growth” but idk. I did a water change to see if it was ammonia.
*Also i do not have exact water parameters rn bc i dont test at home with the fancy test kits.
My friend, this hobby is not forgiving, and SPS is even less forgiving.

At a minimum you should be testing your own water, and in my opinion making your own RODI water for ATO/water changes.

SPS generally require intense flow and light as well.
 
OP
OP
E

eirvin15

New Member
View Badges
Joined
Jul 2, 2025
Messages
8
Reaction score
8
Location
Columbia
Rating - 0%
0   0   0
As others have stated, in order to properly care for sps testing is a necessity. They are considered to be some of the most sensitive corals that require stable environments to thrive. Get test kits for 1)alkalinity,2)magnesium,3)calcium,4)nitrate and 5) phosphate.

The stylo is definitely struggling and is on its way out unless you figure out what the issue is. Corals can have miraculous comebacks through, don’t pull it until it’s gone. Good luck
Come to find out my tank is lacking a lot of nutrients. So i bought test kits for it and im dosing it once a day now
 

56longroof

2500 Club Member
View Badges
Joined
Mar 23, 2023
Messages
2,935
Reaction score
6,192
Location
Durham Missouri USA
Rating - 100%
1   0   0
my calcium and alkalinity was low. so i got those two test kits from fritz and ATI essentials pro dosing for it. 3ml a day
ATI is not a great kit if you plan on keeping SPS. Get some Salifert test kits. The only Hanna one I like is low range phosphate.
 
OP
OP
E

eirvin15

New Member
View Badges
Joined
Jul 2, 2025
Messages
8
Reaction score
8
Location
Columbia
Rating - 0%
0   0   0
What salt are you using and what's your water change schedule? I can't imagine calcium being that low without there being a testing error.
I usually do a water change every three weeks and my tank seemed like it was doing great. i had the cats paw in there for around 2-3 weeks and then one day i was feeding my corals with AB+ coral food and i think i over did it on accident. I know i should’ve measured but oh well. So then it started dying. i freaked out and did a huge water change at 3 am. then it kept dying and went and got tests 2 days later
 

bluemon

Lazy DIY Reefer
View Badges
Joined
Jun 20, 2017
Messages
2,620
Reaction score
2,507
Location
California
Rating - 0%
0   0   0
I usually do a water change every three weeks and my tank seemed like it was doing great. i had the cats paw in there for around 2-3 weeks and then one day i was feeding my corals with AB+ coral food and i think i over did it on accident. I know i should’ve measured but oh well. So then it started dying. i freaked out and did a huge water change at 3 am. then it kept dying and went and got tests 2 days later
Water change every 3 weeks should sustain calcium for one small frag, if it’s the only stony.

What salt are you using?
 

TOP 10 Trending Threads

HOW DO YOU ADJUST YOUR CUC AS ALGAE DISAPPEARS?

  • Capture and re-home CUC

    Votes: 10 8.4%
  • Increase white light/hours in tank to spur algae growth to feed CUC

    Votes: 8 6.7%
  • Feed nori to support CUC

    Votes: 39 32.8%
  • Feed herbivore pellets to support CUC

    Votes: 42 35.3%
  • Allow attrition to balance CUC and algae

    Votes: 51 42.9%
  • Provide macro algae to feed CUC

    Votes: 8 6.7%
  • Introduce CUC predators

    Votes: 1 0.8%
  • Other (please explain)

    Votes: 12 10.1%
Back
Top