I have found that since I have started dosing with Coral Snow that my cyano has totally disappered and the clam's & other coral love it. I also switched to IO Reed Crystals as my Mg was almost non existant. Watching my Ca & Mg levels very closly and using a phos reactor now has really helped. my ALK is at 8.3. Your Ca is low as I have mine at 480 - 500.
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