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Old 04/23/2018, 12:05 PM   #1
Sk8r
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Alkalinity reminder: if that ain't right...

...various other things aren't. Check that weekly. 7.9 is the bottom of the range and 9 is the top end. I like to keep about 8.3. It's close to salinity in importance, and anytime things are unhappy, it's one of the first things you should check. Get yourself a test that renders a numerical result. Sorta-pinkish is not real helpful as a reading for this important parameter.


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Salinity 1.024-6; alkalinity 8.3-9.3 on KH scale; calcium 420; magnesium 1300, temp 78-80, nitrate .2. Ammonia 0. No filters: lps tank. Alk and cal won't rise if mg is low.

Current Tank Info: 105g AquaVim wedge, 2 firefish, 2 chromis, royal gramma basslet, starry blenny, chestnut turbo snails, bristleworms, couple of hermits.
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Old 04/23/2018, 04:28 PM   #2
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Sorta-pinkish is not real helpful as a reading for this important parameter.
That sounds like some of the less-experienced employees at the LFS when I take a water sample for them to test; "well, it took 20 drops, so it's kinda low."

"Yeah, thanks for that."



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Old 04/23/2018, 04:29 PM   #3
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Thank you!! What test out there give numerical results?? I am in the sorta-pinky boat.

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Old 04/24/2018, 04:44 AM   #4
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Thank you!! What test out there give numerical results?? I am in the sorta-pinky boat.

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Hanna Instruments.

https://www.bulkreefsupply.com/alkal...ine-water.html


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Old 04/24/2018, 05:04 AM   #5
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+1
One of the best things I ever did for testing was get a hanna meter. So simple and easy it will be the one test you don't mind doing, and it will be the one test you do the most. So best to make it simple.


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Old 04/24/2018, 09:28 AM   #6
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Also Salifert tests return numerical. Which is what I use. But Hanna is good and quicker.


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Salinity 1.024-6; alkalinity 8.3-9.3 on KH scale; calcium 420; magnesium 1300, temp 78-80, nitrate .2. Ammonia 0. No filters: lps tank. Alk and cal won't rise if mg is low.

Current Tank Info: 105g AquaVim wedge, 2 firefish, 2 chromis, royal gramma basslet, starry blenny, chestnut turbo snails, bristleworms, couple of hermits.
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Old 04/24/2018, 01:50 PM   #7
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Also Salifert tests return numerical. Which is what I use. But Hanna is good and quicker.
But you have to read the pinky color first


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Old 04/25/2018, 07:45 AM   #8
allendehl
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But you have to read the pinky color first
yeah, thats the one I have and it is always a struggle to decide whether it is sorta-pinky enough or still sorta-purlply-pinky.


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Old 04/25/2018, 07:51 AM   #9
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But you have to read the pinky color first



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Old 04/25/2018, 07:59 AM   #10
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7.9 is the bottom of the range and 9 is the top end.
I'd have to argue that statement.. or request that you clarify the reasons you stated that vs potentially causing confusion when a newbie measures 10dKH and now starts freaking out..

One BIG reason being that the typical ocean value is 7dKH..
Also many salt mixes mix up way higher than 9..

In general whats commonly been recommended is 7-11dKH..
http://www.reefkeeping.com/issues/2004-05/rhf/index.php
Some salt mixes can be into the 12-13dKH range to help reinstate the desired alkalinity level due to consumption by corals,etc...

I am fully aware of why you stated that range.. I'm not sure that attempting to educate in a new user forum without clarification on why you have posted those numbers is the correct way to go about it though.

From my experience stability in parameters is more important than a specific number also..


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Old 04/25/2018, 04:24 PM   #11
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It's not going to kill things if you're a bit off from the safe range, certainly not temporarily off: but in any 'safe' range, (considering your tank is not the ocean, and evaporates, and other differences) ---middle of the range is generally a good staying-spot for most any parameter. That gives you wiggle-room if, for instance, the real world takes your attention for a bit. You want to come back to a tank that hasn't gone extreme.


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Salinity 1.024-6; alkalinity 8.3-9.3 on KH scale; calcium 420; magnesium 1300, temp 78-80, nitrate .2. Ammonia 0. No filters: lps tank. Alk and cal won't rise if mg is low.

Current Tank Info: 105g AquaVim wedge, 2 firefish, 2 chromis, royal gramma basslet, starry blenny, chestnut turbo snails, bristleworms, couple of hermits.
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