Millepora Polyp Extension

I agree, I typically squirt a small amount of whatever it is I am feeding, usually mysis or rods food with some reef chili, and then wait a few minutes, the corals "smell" the food in the water and go into feeding mode with tentacle out. Thats when I really feed.
 
Sorry to ressurect this, but I did an inadvertent experiment this week.

I apparently accidentally knocked the "intensity" dial on my MP10 down to low but didn't notice. I couldn't figure out why my yellow mille looked so much different this week. The nice cottony looking PE went away and it started to look normal and kinda boring.

Noticed today that the MP10 had been turned down, jacked it back up to 90%. Within 2-hrs PE is all back to it's beautiful normal cottony looking self.

Just my 2c.
 
Flow is a huge part of corals growth and polyp extension. good moderate random flow is crutial (IMO). Just because you have an MP40 doesnt mean you should blast it out...sometimes alittle less flow gets better movement when utilizing multiple pumps. You can have the same coral in 2 different location in the same tank and achieve different polyp extension because of the flow difference. I recently added another MP10 to achieve better randomized flow in my cube...I had them set at 90% and started getting sandstorms, turned them down to 70% and now my pinkmilli is letting it all hang out ( in a good way ). Before the invention of controlable pumps, it was extremely important to place (find) corals in proper flow areas but now much adjusting can be done with a dial or button. If you dont have the luxury of a controlable pump then you still should adjust corals placement until a "happy" spot can be achieved. It can be difficult given many sps have differing flow requirements but with time and effort anything can be obtained. I have a friend that created (out of reefepoxy) notches for reef plugs and set all his colonies on plugs...he attaches the notches to his rock and uses the set up to find the perfect spot for his corals. Its an ingenious way to switch corals around and be able to take them out for trimming or replacement. whats great about using reef epoxy is that it looks like rock once its covered in coraline and the plugs become encrusted with SPS over a few months so eventually all you see is rock coming up to a coral. Really awesome! Gives him the flexability to move any peice at any time without taking the rocks out.
 
Try dosing Potassium.

Bacteria and algae filter system consume potassium. Coral need postassium for nutrient transport with it skin. Some coral need more potassium then other.
 
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