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Old 11/19/2019, 08:36 PM   #573
Reef Bass
colors and textures
 
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Join Date: Jan 2004
Location: Petaluma CA
Posts: 6,233
For me, both high (>10) and low alk (<7) can be problematic. Low alk especially.

I also have noticed times when it seemed dosing "balanced" amounts of alk and ca wasn't yielding reasonable numbers. I used to have this 24" back to front of tank Idaho Grape Monti cap. that was a ginormous calcium sponge.

And adjusting dosing to accommodate ever changing populations and growth of stony corals can provide additional challenge.


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Current Tank Info: 60 gallons of Scleractinia and Zoanthidae lit w/ T5s
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