How do I get my purple nana to color up?

[fishfreak1242]

So about 2 months ago I decided to buy a purple nana and the top portions of it were pretty purple and now the color has gone down and I have no idea how to get it to color back up. Its a 75 gal tank, I have it on a rock and it is near the top of the tank with some good side flow from my powerheads. I have 2x175w MH with 20k bulbs, my calcium is a little low its only at about 300 but I have been dosing B-Ionic calcium every other day. What else can I do to get this to color up so that it starts looking like a "purple" nana.

 

[Chongpark27]

What is your phosphate level at? Low phosphate helps keep optimum color. Also slowly raise your calcium up to 420-450, 300 is a bit low.

 

[fishfreak1242]

What is your phosphate level at? Low phosphate helps keep optimum color. Also slowly raise your calcium up to 420-450, 300 is a bit low.

Phosphate is at .03

 

[Bob 1000]

A little more on the phosphate side about o.o7.. and a stable light period and low nitrates.. My nana was purple all the way to the base andabout a 12" square monster colony on one stalk with about 4o something tops.. Before I sold it.. Now I'm regerting it.. Try to get a Kedd's nana frag the other don't color up as well.. Also you need 400 watt halids 12k

 

[fishfreak1242]

A little more on the phosphate side about o.o7.. and a stable light period and low nitrates.. My nana was purple all the way to the base andabout a 12" square monster colony on one stalk with about 4o something tops.. Before I sold it.. Now I'm regerting it.. Try to get a Kedd's nana frag the other don't color up as well.. Also you need 400 watt halids 12k

Wait so I have to buy 400 watt MH just so I can keep this coral colored well? Isn't that a little overkill?

 

[Dace]

Wait so I have to buy 400 watt MH just so I can keep this coral colored well? Isn't that a little overkill?

yes it can be overkill for your tank, 175watt should be fine, PN like high light, so once you get your parimeters right, start to raise it in your tank abit. how old are your bulbs. also check the coral for pest. they can brown a coral out

 

[Bob 1000]

Wait so I have to buy 400 watt MH just so I can keep this coral colored well? Isn't that a little overkill?

Just read the post again.. I'd do 250 watts on a 75 gallon.. To me 150 and 175 don't give the colors a 250 or 400 watt bulbs does...

 

[NYreefNoob]

optimum water quality and high light, the pn in how i tell how on point my water is, if deep purple great, little faded usually around time for a water change

 

[fernandokng]

You don't need 400Ws. 175W should be fine.

Your Calcium is way too low. You need to be around 420.

What are your nitrates? What is your alk? What test kit are you using?

 

[Malibu361]

I have dual 150s with my PN ,keep it mid level in the tank and its doin great !!