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#1
02-16-2007, 11:08 PM
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Alk is pretty much bang on? I thought the desirable range was 2.5 - 4 meq/L or 7 - 11 dKH or 125 - 200 ppm. So 240ppm seems kind high to me... 20% above the upper desirable limit. Mine was around there too so I stopped using my ca reactor, no more kalk and let it drop until it was at 9dKH. While it was dropping I was manually dosing calcium to get my levels up over 400ppm. Now that I'm there with both I'm using the ca reactor & kalk and I'll monitor both.
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225g reef 3x250w MH 8x39w T5 Sfiligoi/ACLS, Deltec AP851, Deltec PF601S, Deltec KM500, Ozotech Poseidon, Aquatronica, Tunze TS48, Tunze Nanostream 6025s, Aqua UV 114w, MTC Ozone reactor, Cole Parmer peristaltic pump 67g reef, Euro-Reef RS135, 60g refugium, Mag 9 return, Tunze Nanostream 6025s, 4x39w T5 
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#2
02-17-2007, 11:54 AM
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NSW generally has a reading of 8dkh so I agree yours is on the high side. Don't forget that you should really be testing for Alk, Calcium and magnesium. All three have to be balanced and I try to shoot for natural sea water levels of all 3. The above link is a good one for things you can use to bring your alk. down or there are various online retailers including some of our sponsors that will ship additives to you for a very reasonable price (I know as I have to ship everything for my tanks given where I live)
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