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#1
02-20-2007, 05:08 AM
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It still did feel moist.
Ohhhh the REACTOR instructions suggests the minimum of 250ml. I didn't even think of that. I was just reading the insert that came with the Rowaphos. I just get to thinking that having the flowrate of a trickle isn't ideal, it doesn't fluidize the media at all. So maybe the trick is upping the volume and the flowrate and going from there. I'm not sure if 0.25ppm is enough to fuss about? I don't have any algae problems but I am having problems with SPS receding, so I'm trying to attack the variables I can think of. NO3 is a little higher than I would like, ~10ppm, but not enough to explain systemic SPS failure. I'm guessing the PO4 should be addressed so that's why I dusted off the ol' reactor and got it going again.
__________________
-- Tony My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee! 
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#2
02-20-2007, 05:15 AM
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Supposedly levels of PO4 above 0.015 ppm are bad and impede coral growth. High PO4 maybe the problem.
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300 gal starphire custom built in pentagon reef (+90 gal sump on Blue Line 100 HD return pump, 210lb LR, Euro-Reef RC250 skimmer, 2x400W MH, 2x28W compacts, 2xTurbelle classic 4002 pumps & Turbelle Stream 6100 on 7095 Multicontroller, running ZEOvit) Livestock Fish: damsels; sailfin, yellow, regal & naso tangs; ocellaris & tomato clowns; lyretail anthias; foxface lo; flame angelfish corals: a few
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#3
02-20-2007, 05:21 AM
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Whatcha using for testing? I'm using Elos phosphate test kit. Unfortunately the levels are 0, 0.1, 0.25, and then up from there. So more less I need to get the test reading from the second-faintest hue-of-blue to the least-faint hue-of-blue without actually being perfectly clear. I hate these colour coded test kits, I wish there were more titration type tests (where you count the drops until a colour change ... far less subjective).
I'll have to dig through my drawer-o-testkits but I think I have some other older PO4 test kits, Seachem and Salifert, in there.. hoping between the 2 or 3 test kits I can worry less about guessing colours and feel better about my guesses of the results.. I'm terrible at comparing colours...
__________________
-- Tony My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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#4
02-20-2007, 05:32 AM
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I am using the Salifert PO4 testkit. I totally agree that the colour coded test kits suck. I think the colorimetric meters are too $$ and only test a few things (PO4 not being one of them). There is a MERC Phosphate Test Kit ($79.95 at J&L). With the kit you can measure phosphate levels within the range of 0.14 – 0.008 (P) which equates to 0.43 – 0.023 (PO4 ). My goal is to get the PO4 levels down so the tube is clear which should indicate a PO4<0.015. Time will tell.
p.s. I did see refills for the MERC kit advertised on a CDN LFS website (not J&L) but can't remember which one.
__________________
300 gal starphire custom built in pentagon reef (+90 gal sump on Blue Line 100 HD return pump, 210lb LR, Euro-Reef RC250 skimmer, 2x400W MH, 2x28W compacts, 2xTurbelle classic 4002 pumps & Turbelle Stream 6100 on 7095 Multicontroller, running ZEOvit) Livestock Fish: damsels; sailfin, yellow, regal & naso tangs; ocellaris & tomato clowns; lyretail anthias; foxface lo; flame angelfish corals: a few
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