Who Gives A Fish Forums

Thanks for the tips, everyone. Gonna bump it up to 1350 and see how they react. Using Salifert for testing, by the way. Appreciate the help!


Salifert's solid. Just go slow with the adjustments—no more than 50 ppm per day. And keep an eye on your alk, 'cause mag dosing can sometimes throw it off ...

1250's a bit low for most LPS. I keep mine at 1350–1400, and they're thriving. What's your calcium and alk at? If those are off, it won't matter much what your mag is. Also, what salt mix are you using? Some are way off on mag out of the box.

Algae thrives on excess nutrients. Overfeeding can be a big contributor. Are you feeding your fish more than they can eat in a couple minutes? Also, consider adding more fast-growing plants like Hornwort to soak up extra nutrients.


That's solid advice. I'd also recommend checking your phosphate ...

I'm in a similar situation, searching for a reliable brand once my tank is up and running. New Life Spectrum has gotten some rave reviews, so I'm definitely considering it.