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10-16-2004, 02:28 PM
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#1
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Aquarium Advice Addict
Join Date: Mar 2004
Location: Savage, MN
Posts: 7,889
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Phosphates...again
I am still having a bit of trouble with cyno. It is better then it was but still present. I tested my RO/ DI water for PO4 and it was barely detectable (less then .1) I tested my tank water and it is still just over .2. Is that too high? I have no idea where it is coming from. I rinse all froozen food in RO/ DI water before adding it to the tank. I am running Phosguwar by Seachem right now. I do regular water changes (15% bi-weekly, or close to it). I use Black Diamond carbon, could it be leaching from there? I also hang Seaweed Salad about every other day, could this be a source? I am really running out of ideas. All other parameters are good: Ph 8.1, amonia 0, nitrite 0, nitrate 2.2, alk 3.2, calc 350, temp 80 and steady, SG 1.025. Thanks...Lando
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10-16-2004, 02:33 PM
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#2
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Aquarium Advice Freak
Join Date: Sep 2004
Location: central florida
Posts: 331
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Are you having a algea prob?
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10-16-2004, 02:53 PM
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#3
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Aquarium Advice Addict
Join Date: Mar 2004
Location: Savage, MN
Posts: 7,889
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Mild red hair algea problem. i would like to eliminate it completely.
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10-16-2004, 05:22 PM
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#4
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Aquarium Advice Freak
Join Date: Jun 2004
Location: Suffolk, UK
Posts: 272
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Maybe try RowaPhos instead?
Cheers Shelton.
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30gal tank, 20kgs Fiji + 4kgs Madagascan LR, bare bottom, 2 x Maxijets 900, AquaC Remora skimmer, 10W D&D UV using a spraybar on surface for return,Maxijet 600 + spraybar behind LR, Ecco 2234 running RowaPhos/GAC, 150w visitherm.
Custom Built lid; 2 x T5 megatwin (4x39W Aquablue+); 4 moonlights.
IKS with temp & PH probes, controlling lights,heat & cooling fans.
Percula Clown; Banggai Cardinal; Firefish; Mandarin
2 Cleaner Shrimps; 3 Peppermint Shrimps; 1 Blood Shrimp
1 Large Feather Duster; 1 Hard Tube Coco Worm; Yellow Cucumber.
6 Red Legged Hermits; 1 Green Emerald Crab; 16 Dwarf Blue Leg Hermits; 3 Zebra Hermits; 3 Popsock Hermits
22 Turbo/Astrae Snails; 20 IO Snails
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10-16-2004, 06:44 PM
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#5
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Aquarium Advice FINatic
Join Date: May 2004
Location: Richmond, Va
Posts: 804
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Are you feeding any dry foods. They are notorious for causing phosphate problems if overfed. Shouldn't there be 0 phosphates coming from your RO/ DI water? Maybe time for a cartridge change.
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46g SW, 65 lbs Fiji LR, 4" Aragamax DSB, Coralife 2X96w CF, CPR Bakpak II, CPR Aquafuge 12 w/ 2x9 Coralife Mini Aqualight, 4 Maxijet 600's, PCI 200W Titanium Heater, 2 Blue Green Chromis, 1 Gold Bar Maroon Clown, 1 Purple-Stripe Dottyback, Finger Leather, Trumpets, Rose Coral Open-Brain, Pagoda Cup, Xenia, Star Polyps, Yellow Polyps, Various Mushrooms, Toadstool Leather, 12 Astraea, 10 Nassarius, 4 Bumble Bee, 6 Cerith Snails, 12 Red Tip Hermits.
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10-16-2004, 08:00 PM
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#6
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Aquarium Advice Addict
Join Date: May 2004
Location: Poughkeepsie, NY
Posts: 3,294
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Hows your circulation?? And lighting.... Old bulbs can shift spectrum and help it grow.
Can you get a water sample down where it is growing and see what the po4 is there..
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10-17-2004, 06:14 PM
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#7
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Aquarium Advice Addict
Join Date: Mar 2004
Location: Savage, MN
Posts: 7,889
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I do not feed dry food. Bulbs are just over 4 months old, 4x65 watt CF. i have two maxijuet 1200 and a mag 7 as a return from the sump.
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10-17-2004, 06:36 PM
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#8
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Aquarium Advice Addict
Join Date: May 2004
Location: Poughkeepsie, NY
Posts: 3,294
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10-17-2004, 09:18 PM
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#9
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Aquarium Advice Addict
Join Date: Mar 2004
Location: Savage, MN
Posts: 7,889
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next step is to have the LFS test my source water tomorrow. I may end up ordering a new DI membrane. I am already four steps ahead on the cold ones. Stay tuned...Lando
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10-18-2004, 07:20 AM
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#10
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AA Team Emeritus
Join Date: Mar 2004
Posts: 5,833
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Feeding alone can start raising it. I have my source water PO4 to almost 0 but my main tank PO4 will start creeping once in a while, I figure from the food. I monitor PO4 levels and just run a sponge about once a month. Its kept the cyno in check.
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10-18-2004, 10:07 AM
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#11
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Aquarium Advice Addict
Join Date: Mar 2004
Location: Savage, MN
Posts: 7,889
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Right now I am using Phosguard, is there a better product out there?
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10-18-2004, 10:40 AM
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#12
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AA Team Emeritus
Join Date: Mar 2004
Posts: 5,833
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I use Kent's PO4 sponge, don't know if its better, but works for me.
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10-18-2004, 11:04 AM
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#13
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Aquarium Advice Freak
Join Date: Jun 2004
Location: Suffolk, UK
Posts: 272
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I use RowaPhos as (rightly/wrongly) the comapny claim it doesn't leach anything back in...
Cheers Shelton.
__________________
30gal tank, 20kgs Fiji + 4kgs Madagascan LR, bare bottom, 2 x Maxijets 900, AquaC Remora skimmer, 10W D&D UV using a spraybar on surface for return,Maxijet 600 + spraybar behind LR, Ecco 2234 running RowaPhos/GAC, 150w visitherm.
Custom Built lid; 2 x T5 megatwin (4x39W Aquablue+); 4 moonlights.
IKS with temp & PH probes, controlling lights,heat & cooling fans.
Percula Clown; Banggai Cardinal; Firefish; Mandarin
2 Cleaner Shrimps; 3 Peppermint Shrimps; 1 Blood Shrimp
1 Large Feather Duster; 1 Hard Tube Coco Worm; Yellow Cucumber.
6 Red Legged Hermits; 1 Green Emerald Crab; 16 Dwarf Blue Leg Hermits; 3 Zebra Hermits; 3 Popsock Hermits
22 Turbo/Astrae Snails; 20 IO Snails
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