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03/19/2018, 05:31 AM
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#1 |
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Registered Member
Join Date: May 2007
Location: Fulton, NY
Posts: 1,249
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Trouble with Phosphate
I have a 180 gal clown fish Harem tank with 40 clownfish and 12 Anemones Now my problem
is with Phosphate check it yesterday with Hann Checker .13 check today .23 I am running GFO and Algae scrubber. I change the GFO Monday. Just did a 50 gal water change Monday . any ideas thx, sai 1.025 Cal 430 Alk 10.0 PH 7.9 |
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03/19/2018, 09:42 PM
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#2 |
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Registered Member
Join Date: Jul 2005
Location: Brighton/Pittsford, NY
Posts: 494
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Have you done a check on your RO water?
Sent from my iPhone using Tapatalk |
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03/21/2018, 06:11 AM
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#3 |
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Registered Member
Join Date: May 2007
Location: Fulton, NY
Posts: 1,249
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yes all new filters
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03/29/2018, 07:48 AM
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#4 |
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Registered Member
Join Date: Aug 2006
Location: Rochester, NY
Posts: 954
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Some possible sources:
1. LR leaching PO4 - If the LR is old some PO4 can bind on the surface of calcium Carbonate over time. I've bleached pieces of LR to remove the outer layer and soaked in Fresh water baths and LaCl to remove the bleach and any remaining PO4. 2. Sand Bed - vacuum sand during water change 3. Not enough Nitrates to feed you bacteria/ or not enough bacteria diversity in order to remove PO4 in the 16:1 Redfield ratio. 4. Drip LaCl into return to a 10 micron sock to precipitate the PO4. 5. Not harvesting the Macroalgae from Refugium enough and have die back returning PO4 back into the water. just some thoughts...
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---------------------------------------- part-time jacque-cousteau Full Time money spender. Current Tank Info: 125G SPS Reef+ 120G + 80 Shallow Frag + 40B LPS/Anemone + 12g Clam + 20L Nano + (30&40g)sumps |
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03/31/2018, 10:56 AM
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#5 |
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Team RC Member
 
Join Date: Nov 2001
Location: Rochester, NY
Posts: 41,560
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avoid chasing numbers
elevated PO4 isn't going to harm anemones or clownfish.
do you have an algae problem in the display?
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over 24 years experience with multiple types of marine aquarium systems *see Upstate Reef Society Forum on RC and FB* GOOGLE JUNIOR'S REEF Current Tank Info: 84x24x30 265g reef past TOTM honors |
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03/31/2018, 12:56 PM
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#6 |
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Registered Member
Join Date: Nov 2002
Location: Miller Place, NY
Posts: 7,206
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I have found if you turn up the flow for about 30 seconds & reset it can extend the life of the GFO.
Operator error? I know, but last week mine was .23 next day .13 & I can't explain it either.
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250 gallon mixed reef, 2 Reefbreeder's Photon V 2, Deepwater BLDC 12, DAS EX-3 Skimmer, MTC mini cal, 2-3/4" Sea Swirls, Aquacontroller & 6 Tunze pumps. |
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