High Alk

[MGB]

Is annyone running thier Alk purposely higher than the accepted norms and what are the negatives on sps's. Everything you read says keep it in the 7-10 dKH range, are there any benefits in maintaining it higher, any observations.

MGB

[dragon_slayer]

at around 15 dKH i 'thought' i noticed stunted growth but i never noticed any benefit to running it that high.

hth
kc

[Jasonincuritiba]

There is a method of running your alkalinity high (12dkh)
called the Blue Coral Method which is used in Italy they also
raise their Magnesium levels accordingly

[REEF-DADDY]

Alot of people think ALK levels of over 11 can cause RTN. NSW is 7-8, 15 is over double that, can you imagine doubling your sg. ?

[rleechb]

I notice sps issues @ alks above 10. I'm really surprised that the Blu Coral method uses alk that high; doesn't seem like there's any rhyme or reason....

[stony_corals]

This is just speculation... I think because they run a higher relative level that is balanced, there aren't as many issues as plainly running high alk.. Again sheer speculation as I run NSW of alk/ca/mg etc.... Part of the challenge is understanding what those levels are though.... ( at least for me)

Alk ~15
Ca ~500
Mg ~1500

Buy a bucket of Oceanic and you'll get there pretty fast, though it's light on the alk... I was testing Oceanic to be 500ppm + Ca and MG 1500+ppm.

I think the pappone also has something to do with it, providing a lot of N, but before pollution occurs, it is skimmed out...

I wish I understood more Italian...

[brad23]

A local in our club lost a lot of SPS due to his DKH being 14