Lps acting up... necessary to feed them?

[hypostatic]

Ummm, yeah, you need to check your parameters.

And yes, you'd be much better off if you were feeding your corals.

 

[outssider]

doing no testing is like driving a car blindfolded....eventually you'll run off the road and hit something. relying on water changes alone to make chemistry correct wont work indefinitely....I would need to do 50% water changes a day to keep up with alkalinity loss.

 

[nathan1986]

I wonder how all the other people with sps dominated tanks do it without testing and without dosing and some are even running a cartridge filter. Im going to have the lfs i trust test my water to see where im at level wise. My bigger tank which is also filled with a bunch of lps corals is going on over 3 years old with no water tests or dosing. Just 4 t5 bulbs and weekly water changes. No coral issues at all. Just the 29g i noticed some of the corals inflating like 90%

 

[Staisman]

I run Red Sea regular and I am sps dominant. These values are just too high as I run a low nutrient system and coral gets real t'd off quick with low nutrients and high params.

This is very strange. I use RED SEA CORAL PRO salt and my parameters are not that high. I have a chart that I fill every weekend after the all tests, including Nitrates, PO, Calcium, Alk and Mg, using Red Sea tests and hanna for PO. My parameters with this salt mix at salinity lvl 1.026 are Ca 450, Alk (8.4dKh but I keep it around 9dKh using 2 part solution) and only Mg is around 1400-1450.

This is from my log
The day I started:
Date: Calcium (ppm) Alkalinity (ppm) Magnesium (ppm) PH Salinity Phosphate (ppm) Nitrates (ppm)

9/20/2014 Ca 380 Alk 9 PH 7.8 Salt 1.025 PO 0.25 NO3 10
11/21/2014 Ca 420 Alk 11 Mg 1440 Salt 1.026 PO 0 NO3 5
4/19/2015 Ca 450 Alk 9.3 Mg 1450 Salt 1.026 PO 0.1 NO3 5