Quote:
Originally Posted by no_bs
Ok, i have an issue with these pellets, please correct me if i'm wrong.
ALL species in the ocean live on NO3 & PO4, so if you have 0 readings, is this not detrimental to the health of these species?
My system is very nutrient rich, corals are VERY happy, as anyone that has seen our tank can attest to.
When i do WC's our corals shrink and do not look there best till NO3's are back to high levels.
I figure these pellets work best for those SPS tanks, where NO3 & PO4 are crutial to keep at 0.
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In a sense you are correct that Corals do need a certain amount of these nutrients, this is especially true for some LPS and various other Corals.
I highly doubt your Corals are reacting negatively to the lower Nitrate and Phosphate levels from doing doing a water change, they are likely reacting to small changes in Salinity, temperature, ALK, and other variances.
Keeping Nitrates and especially Phosphates under control is especially important in tanks dominated by SPS. The Beads are also proving to be very helpful in fish only systems with heavy feeding regimens.
Hope this helps!