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  #16  
Old 07-29-2018, 01:43 AM
jacky jacky 目前離線
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Quote:
Originally Posted by Acamp View Post
Sorry are you ask me something or explain me something? What exactly do you mean? Regards


Inviato dal mio iPhone utilizzando Tapatalk
Sorry, forgive me for my bad English.
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  #17  
Old 08-07-2018, 08:44 AM
zanclus zanclus 目前線上
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HI everyone, just a quick question. I seem to have my Alkalinity settled at 8.0dkh with automatic dosing . My calcium is settled at 420. My corals seem to be doing good and have lightened up a bit. As for growth they have only been in tank around 3 weeks or so so it's hard to tell yet. My question is. Should I let my Alk. stay as is, as I'm sure it will drop a bit as corals grow and consume more or should I reduce my dosing?
Cheers ,Zanclus
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  #18  
Old 08-07-2018, 09:23 AM
jacky jacky 目前離線
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Quote:
Originally Posted by zanclus View Post
HI everyone, just a quick question. I seem to have my Alkalinity settled at 8.0dkh with automatic dosing . My calcium is settled at 420. My corals seem to be doing good and have lightened up a bit. As for growth they have only been in tank around 3 weeks or so so it's hard to tell yet. My question is. Should I let my Alk. stay as is, as I'm sure it will drop a bit as corals grow and consume more or should I reduce my dosing?
Cheers ,Zanclus
Not too much deviation from 8.0 is not a troublesome problem, just make sure not to increase or slow down quickly, but also apply to the growth after coral

A more subtle approach is to confirm the SG with the instrument when measuring individual data. If you encounter problems with kh not improving, you can first confirm the mg value, they are related.

Last edited by jacky; 08-07-2018 at 09:50 AM.
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  #19  
Old 08-07-2018, 11:04 AM
zanclus zanclus 目前線上
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Quote:
Originally Posted by jacky View Post
Not too much deviation from 8.0 is not a troublesome problem, just make sure not to increase or slow down quickly, but also apply to the growth after coral

A more subtle approach is to confirm the SG with the instrument when measuring individual data. If you encounter problems with kh not improving, you can first confirm the mg value, they are related.
When you say Kh are you talking Alk or potassium?
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  #20  
Old 08-07-2018, 11:09 AM
jacky jacky 目前離線
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Quote:
Originally Posted by zanclus View Post
When you say Kh are you talking Alk or potassium?
I mean ALK, sorry for letting you misunderstand
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  #21  
Old 08-07-2018, 04:46 PM
zanclus zanclus 目前線上
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Quote:
Originally Posted by jacky View Post
I mean ALK, sorry for letting you misunderstand

Not a problem just wanted to make sure
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  #22  
Old 08-07-2018, 11:42 PM
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G.Alexander G.Alexander 目前離線
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In a nutrient poor system a Alkalinity (KH) in the range of 6.5 – 7.5 is working well from my experiences. Higher concentrations do not improve anything just causing problems with slow basal TN for example. Lower concentrations can speed down growth and if it falls down to much corals can also respond with basal TN. I would recommend you to let it fall a little bit to 7.5 keeping it there as stabile as possible.

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  #23  
Old 08-08-2018, 07:25 AM
zanclus zanclus 目前線上
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Will do thanks G.
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  #24  
Old Yesterday, 02:42 PM
zanclus zanclus 目前線上
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Update...
I seem to have my Calcium stable but I Cant seem to get my Alk. in balance. I dont know if it is the Hanna colormeter thay is reading low or what. My Alk seems t oi be falling by 1.5 dkh every day. I dose 110ml of BRS soda ash solution via an apex DOS in the overnight. According to thier calculator, (BRS) this should add 1.dkh. I test at around 8pm and my dkh is around 5.4, so assuming im adding enough to increase 1dkh shouldnt I test next day around the same time the same 5.4, assuming my tank i consuming 1 dkh? It seems like no matter where I set the dkh at 8pm it falls to the same as I started..... my coral load is is very light only a few small sps and a few LPS .
Tank paramerters are:
Ph 8.2
Cal. 42p
Phos 0
Nitrates .25
Mag 1340
Alk keeps falling bbn to around 5.4
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  #25  
Old Yesterday, 06:26 PM
jacky jacky 目前離線
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1. Confirm SG first.
2. Confirm the mg again.
3. Is there a chance to obtain another test package?
4. How much is the cross-test sea salt kh, and whether it differs greatly from the measured value.
5. Fixed to measure at the same time every day and if kh consumption is 1kh, measure it again after three days.
6. Is algae a problem?
7. Add other strains?
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  #26  
Old Yesterday, 07:25 PM
zanclus zanclus 目前線上
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SG is 1.026
Mag. Is 1340
Salt is HW marine. What do you mean by cross-teat?
Ive ordered a salifert kit w as iting for a delivery of it. I test same time every day 8pm.
Algae is actually going away... only a small amount if diatoms left, which is going away
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  #27  
Old Yesterday, 07:40 PM
jacky jacky 目前離線
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Cross test, what is the kh of the new sea salt at 1.026?
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  #28  
Old Yesterday, 07:55 PM
zanclus zanclus 目前線上
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Ahhh ok i can check tomorrow . I just checked the Alk and its back to 5.4. I raised it to 7 around noon today its 9pm now....
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  #29  
Old Yesterday, 08:07 PM
jacky jacky 目前離線
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Ro/di water, kh have a chance to test it?
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  #30  
Old Today, 12:25 PM
zanclus zanclus 目前線上
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Tested fresh made Saltwater Dkh is 9.0 on Hanna colormeter. Calcium is 440,Salifert and Mag is 1380, Salifert. I also tested tank at same time calcium 400 Dkh 6.6 , Mag 1340. I increased the dosing to 120ml each (calcium and Alk) yeasterday to see what happends... will continue and see where I am tomorrow.
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