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Old 07/17/2018, 09:25 AM   #26
Bryanmc1988
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Quote:
Originally Posted by Steve175 View Post
I own the Hanna checkers. They are gathering dust. I am a chemical engineer. I have, over the years, tried most brands (although admittedly not Nyos). I mostly check Alk and have always ended back at Salifert. The others are monthly: Ca (Salifert), Mg (Salifert), PO4 (Red Sea) and NO3 (Red Sea). I will sell you my Hanna checkers for cheap. . . make sure you pick up some DI water and be careful with the tiny powder packets. . . and, for goodness sakes, don't sneeze or put fingerprints on the vials. . . and whatever you do, don't run the test twice or you won't know which result to act upon. . . my $0.02. . .
What kind of checkers do you have Steve? Can you PM me with a list and price? I might be interested in some for a good deal 😁


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Old 07/18/2018, 06:00 AM   #27
homer1475
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Quote:
Originally Posted by Steve175 View Post
I own the Hanna checkers. They are gathering dust. I am a chemical engineer. I have, over the years, tried most brands (although admittedly not Nyos). I mostly check Alk and have always ended back at Salifert. The others are monthly: Ca (Salifert), Mg (Salifert), PO4 (Red Sea) and NO3 (Red Sea). I will sell you my Hanna checkers for cheap. . . make sure you pick up some DI water and be careful with the tiny powder packets. . . and, for goodness sakes, don't sneeze or put fingerprints on the vials. . . and whatever you do, don't run the test twice or you won't know which result to act upon. . . my $0.02. . .

I use salifert and Hanna for ALK just to cross reference. Every time Hanna comes up the same number as salifert. My issue with salifert is your judging a color change which can lead to inaccuracy as we all see color differently.



Also show me where a salifert PO4 test can measure down to .001. The Hanna ULR PO4 checker is the gold standard in the hobby for PO4 at the super low ranges we try to keep. Yes there are some quirks with the Hanna meters(no fingerprints on the vials, use the same vial to 0 and test even though they supply 2), but they are very accurate is used correctly.


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Old 07/19/2018, 06:48 AM   #28
PatW
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It depends on your needs. For fish only, API calcium, nitrate, alkalinity, will do pretty well. For specific gravity, a refractometer is best.

If you want to get into having hard corals, you should get more refined tests. Hard corals grow by enlarging their skeletons. The use alkalinity and calcium to make calcium carbonate skeletons. Also magnesium levels become important.

SPS corals are more demanding than LPS corals.

For them, most people measure alkalinity daily and dose to keep it constant. I use Red Sea Pro for ALK. Many people use Salifert with good results.

Calcium is also important. Sea water contains a bunch of calcium. I measure weekly with Red Sea Pro but Salifert is good also.

Magnesium is important. The Red Sea Mg test drives me crazy. I use Salifert. I have found that routine water changes with a high Mg salt mix keeps it at good levels so I rarely test it.

SPS corals are sensitive to high nutrient levels but you want some nutrients or they will die. I use Red Sea Pro for nitrate and I like it better than Salifert.

I use Hanna ULR phoshaphate tester for phosphate. It is the only hobby test that is sensitive enough on phosphate to be useful.

Of course, when you cycle a tank, you will want an ammonia test and a nitrite test. Ammonia is quite toxic at low levels. Many people report that the API test gives a low reading for ammonia when it is actually zero. I guess they are fine with that. It would drive me crazy and I use either Salifert or Red Sea. Once, your tank is cycled, you will rarely have any need to test ammonia or nitrite.


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Old 07/22/2018, 12:18 AM   #29
Bryanmc1988
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After mixing my salt and setting up the tank, everything looks great besides for phosphate being .5 ppm. I am running a GFO reactor over this weekend and testing again on Monday to see if there is any change.


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Old 07/22/2018, 06:20 AM   #30
Bruce51
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I use red sea and salifert test kits...hated testing. All the drop and swirl what a pain.
Until I found a little battery powered magnetic stirrer at a local pool supply store. Makes testing a breeze, and the glass viles in the test kits fit just fine on it. Best 20 bucks I've ever spent on my tank.


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Old 07/22/2018, 12:45 PM   #31
hkgar
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Get these to go with your stirrer plate
https://www.amazon.com/magnetic-stir...70_&dpSrc=srch


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180 gallon, 40 gallon sump, 8 ATI T5's, MTC MVX 36 Skimmer, Apex controller Reef Octopus CaRx

Current Tank Info: 2 Barred Rabbitfish, Red Head, Yellow/Purple, Hoevans, Possum, 2 Leopard Wrasses, Kole, Purple & Atlantic Blue Tangs, Matted Filefish, 2 Percula Clown, 4 PJ Cardinals, Swallowtail Angel
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