No Zoanthid growth but Palythoa growing

[sketh]

I have several Zoanthid species in my tank which have not seem to grown a single polyp in over 50 days. The coloration is great on all of them with no dullish signs or melting signs.

However, I have a purple people eater palythoa which has doubled in polyps (4 -> 9) since I added it to the tank (~40 days).

Why are my PPE Palys growing very well but there seems to be no growth at all for my Zoas even though their coloration makes them seem super healthy.

pH: 8.0
Temp: 78° F
Nitrates: ~2 ppm
Phosphates ~0.2ppm

Is there anything I can do to promote Zoanthid growth to the same rate as the Palythoas?

 

[promotheus2070]

lol , i have the excact oposite , zoas growing strong , palys stay closed for months

 

[sketh]

lol , i have the excact oposite , zoas growing strong , palys stay closed for months

Haha any idea why?

 

[promotheus2070]

Haha any idea why?

not a clue , ive tried diffrent flow and lighting nothing changed

 

[Mr. Mojo Rising]

To be honest I've always had a hard time with zoa's, IDK why. Pally's grow like weeds, but zoa's really struggle in my tank.

 

[promotheus2070]

To be honest I've always had a hard time with zoa's, IDK why. Pally's grow like weeds, but zoa's really struggle in my tank.

mine began to grow better when i put more white light in my programm

 

[sketh]

mine began to grow better when i put more white light in my programm

What lights are you using? And what % of strength do you keep the white lighting?

 

[promotheus2070]

What lights are you using? And what % of strength do you keep the white lighting?

using 2x reefled 90s , blues on 80 and whites 40 both ramping , evening 1 hour only blues

 

[Spare time]

Maybe try amino acids or something similar to supplement the low nitrate.

 

[sketh]

Maybe try amino acids or something similar to supplement the low nitrate.

I broadcast feed a capful of Zooplanktos-S every so often to increase nitrates and allow algae growth for my urchin.

Target feeding Zooplanktos-S seems inefficient because their coloration dulls afterwards. Pretty certain it’s because my zoanthids cannot process the nutrients when target feeding.