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I did a 20% water change this morning then tested my water 30 minutes ago. Here's what I got



1. pH stays the same
2. Ammonia still at 0
3. Nitrite still at 0
4. Nitrate falls at 40ppm

Will do another 20% water change tomorrow. Is this correct or after a week ako magpalit? Also, pag nag na achieve ko na ung desired level ng amonia, nitrite at nitrate pwede na agad maglagay ng corals?

For nitrate 20 ppm, or much better, 10 ppm, pwede na soft corals and some easy LPS corals like brain, cynarina and bubble coral... Also, make sure you have enough lighting din...

Salamat uli Kalzwin
did another 20% water change this morning and tested the water this afternoon, here's the result



1. pH same
2. Ammonia 0
3. Nitrite 0
4. Nitrate 10

looks like im heading the right direction pwede na siguro maglagay ng corals nito

Maganda din siguro kung makakabili ka ng Test kit for Calcium and Alkalinity dahil plano mo maglagay ng LPS corals...

Sige bibili dn ako, research dn ako kung ano required readings nila at pano ma achieve. Pero tanong, ibig sabihin di pa ako pwede maglagay ng corals kasi di ko pa na check ung calcium and alkalinity?

IME with LPS corals okay ang hindi bababa sa 380 ppm and hindi bababa ng 4 ang alkalinity. Kindly refer to the link below on how you can maintain ideal levels for calcium and alkalinity:

http://www.reef2reef.com/blog/the-many- ... lkalinity/

Tnx for the link. Iba pa pala ung test para malaman kung pwede na maglagay ng corals