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06/23/2011, 09:57 AM
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#1 |
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Aqua99
Join Date: Feb 2011
Location: North Texas
Posts: 236
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How much of the PH value is allowed to vary in a day ?
Hi RC ,,
.. Recently I have removed my Glass Canopy and I am getting more than 1.7 gallon evapration a day .. earlier it used to be .5 gall. So now my ATO works more frequently .. With the controller I am seeing my PH varing from 8.15 to 8.27 in a day .. when ever my ATO gets activated I see the spiks in PH from 8.15 to some times almost to 8.27 so .. The ATO will switch of if the PH is greater than 2.5 .. My question is Is this much variation accaptable ? Or does this cause stress ?? What are my options .. I can reduce the amount of KALK added to the freshwater !.. Thx you All.. |
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06/23/2011, 09:59 AM
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#2 |
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-RT * ln(k)
Join Date: Sep 2010
Location: Little Rock
Posts: 9,705
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8.15 to 8.27 is not really any swing at all. That is a miniscule amount.
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David Current Tank: Undergoing reconstruction... |
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06/23/2011, 10:53 AM
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#3 | |
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Moved On
Join Date: Dec 2010
Posts: 2,564
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Quote:
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06/23/2011, 11:57 AM
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#4 |
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Dr. Reef at ur service
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mine varies from 7.9 to 8.2 during 24 hrs time
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Water Quality: NO3 0,Phos 0,Cal 440,Alk 7.5,Mag 1300 "Reef Fast, You Crash, Reef Slow, You Pass" Mike's Reef 3:16 Current Tank Info: 350g DT,95g sump, 50g Frag tank, 4800gph return 4x Sea swirls. 6x AI Vega Color. 200# Pukani rock, dual recirculating skimmer, Biopellet, GFO Carbon rx's, Cal rx. Closed loop. 1.5hp chiller, genesis renew. Apex & RKE |
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06/23/2011, 12:04 PM
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#5 |
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Reef Madness!
Join Date: Aug 2010
Location: Perryville, Missouri
Posts: 616
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Thats not much.. Have you looked into topping off with kalk? Im not an expert in the subject. I belive some people do just that to help with PH and KH.
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The Shoe String Budget Reef Aquarium. Possible?? Compared to 7 55 breeding Discus days well we see and try! :P Current Tank Info: 10g nano with 2 clowns 1 Royal Gorama 1 RBTA! |
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06/23/2011, 12:27 PM
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#6 |
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Aqua99
Join Date: Feb 2011
Location: North Texas
Posts: 236
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Thank you all for replay ..
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06/23/2011, 12:54 PM
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#7 |
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ReefKeeping Mag staff
  
Join Date: Apr 2006
Location: West Seneca NY
Posts: 27,691
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I think the ph variation is fine in the range reported assuming the measurements are accurate.
However, the lime water ( kalk) dose is being tripled plus(.5 to 1.7 gallons per day) and this will effect alk and calicum that could be less than optimal as well as ph. Whether those are good or bad effects is hard to know without knowing how big the tank is and how much kalk at what saturation is being dosed at one time as well as over the course of a day.
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Tom Current Tank Info: Tank of the Month , November 2011 : 600gal integrated system: 3 display tanks (120 g, 90g, 89g),several frag/grow out tanks, macroalgae refugia, cryptic zones. 40+ fish, seahorses, sps,lps,leathers, zoanthidae and non photosynthetic corals. |
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