Coral Growth - LED vs. MH v. T5 Looking back...

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Coral Growth - LED vs. MH v. T5 Looking back...

Postby Landon on Sat Dec 16, 2017 10:56 am

I have a question for some of the old salts....

If you switched to LEDs as a main light source, have your corals shown as steady of growth as when you ran MH/T5?

One of the main "problems" I used to have running my setups under MH/T5 was coral encroachment. Zoas, LPS, easy SPS used to grow fast enough that every few months I was able to make an abundance of frags just to avoid things growing on top of one another. Also, I used to have to chase coraline algae continually. It seems to be almost non existent at this point.

I love the look of the various corals under the LED's, and I love the electricity consumption benefits. Would just like to see more growth. Would love to see some zoas spreading over the rock. Just doesn't feel like things are as happy as back in the old days.

I've been running:
65 Cube
2 AI Prime running at 100% 20k for 8 Hours. Nice little ramp up setup as well.
Trigger Systems Cube Sump
Reef Octopus Skimmer
MP10
Manually does alk, ca, mag. Test regularly.
20% water change every 2 weeks.
Using a RKL for make it all go.

Image20171214_105902 by Landon Belzer, on Flickr
The Arctic Night-lights. "As if the natural world's been turned upside down." - Lord Mandrake
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Re: Coral Growth - LED vs. MH v. T5 Looking back...

Postby O&J'sdad on Sat Dec 16, 2017 11:51 am

I think adding a couple t5 blue plus would give you what you are looking for. I have never had led except for a reefbrite strip. Starboards tank looks amazing under radiums.
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Re: Coral Growth - LED vs. MH v. T5 Looking back...

Postby MM on Thu Dec 28, 2017 6:04 pm

I am just starting to experiment with LED only. So far reasonable success but I have similar observations. Not as much growth, not as much coralline algae. Its early in the experiment so no firm conclusions yet. The only thing I have long term under LEDs is an RBTA tank. We all know how easy they are to keep so not sure this matters a lot but they are huge and dividing quickly. I have a birds nest that has turned bright purple that is not growing real fast but some of the birds nests varieties are super slow growing. Other sps are not coloring up yet. I am not using the expensive trendy products either. I am using inexpensive lights I buy direct from China. I will give you an update after the tank has been up longer.

- MM
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