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Mark Liew

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Posts posted by Mark Liew

  1. On 11/28/2021 at 2:43 PM, viper0419 said:

     

    I think I need to increase my alkalinity. How should I do it safely? Can I use Red Sea foundation b?

     

     

    I would suggest u get RS KH Coralline GRO for now.. it consist of KH & Cal plus Coralline fragments.. will help u on seeding Coralline Algae.. start with 1 ml per day and increase as and when required.. till now i am still doing it..

  2. 13 minutes ago, viper0419 said:

    I have 2 hammers, 1 torch, 3 acans, 1 clove, 2 Ric, 3 gonio, 3 Zoas, 2 bird nest, 1 fibre optics, 2 acro, 1 mr freeze, 1 electric daisy and 1 sunset monti

    coraline algae not yet. 

    TBH.. your tank is still too young for that amount of corals especially SPS.. be mentally prepared for casualties..

     

    On 11/28/2021 at 2:43 PM, viper0419 said:

    Hi guys,

    My parameters as follows :-

    ph 8.15 stable based on Salifert  checker

    calcium 500+ based on Red Sea  checker 

    alkalinity 7.2 after water change. 6.9 at end of 6-7days based on Hanna checker 

    I think I need to increase my alkalinity. How should I do it safely? Can I use Red Sea foundation b?

     

    thanks  

     

    0.3 drop of DKH in 6-7 days is nothing.. in fact your corals is not consuming any alk which means it is not growing and may have a chance not to survive...

    We have the same tank RSR170.. i was doing 100ml ALK and 40ml Cal per day till i change to Calcium Reactor last week.. cannot tahan to buy RSF A/B/C..

    BTW.. PH do not stay stable throughout the day... it goes up and down..

    image.png.6379ba2461bc9f50aeeb4b208e508834.png

    image.png.9957ba9dbe07d3c9de81513b17855fca.png

    image.png.a55b49b69c546d942414398f309a6944.png

  3. Guys,
    For cycling is it required to test for ammonia, nitrite and nitrate like freshwater? If yes which kit is advisable? Something like the Red Sea map marine test kit?
    Also on the subject of testing, based on my research, these are the essential tests and the corresponding best kit for testing.  please correct if wrong :-
    1. Hanna test kit can get - alkalinity, ULR phosphate and LR Nitrate
    2. Calcium - Red Sea calcium pro
    3. Magnesium - aqua forest test pro
    4. Ph - salifert or red sea
    5. Chlorine - Hanna 
    any of them redundant?
    I plan to keep a bit of everything in terms of corals and livestocks

    Hanna hr nitrate not lr nitrate
    Why need chlorine when u should be using rodi or di filter?
    Ammo n nitrite suggest u use api will do.. after few weeks it will be collecting dust.. tbh u don really need nitrite as it is not lethal in salt water as in fresh water.. as long ammo is zero u are good to go plus if u put bacteria in bottle.. u will mostly get zero nitrite all the way..


    Sent from Singapore Reef Club mobile app


  4. Hey man,
    i also do manual dosing its completely fine js need to be timely and dun forget... hahaha

    as for alk, im pretty sure it depends on
    a. the inherent salt mix that u use
    b. what you plan to keep in the tank

    ive heard sps corals cant swing too high....

    but it depends alot from tank to tank, see what ur tank responds to?
    natural seawater is at 7.5-8.5 just fyi


    Sent from Singapore Reef Club mobile app


    Fyi.. indo sea water where indo lps are farm have alk at 9dkh

    Different parts of the oceans dkh are different..


    Sent from Singapore Reef Club mobile app
  5. I read that for Hanna only Alk and Ultra low phosphate worth getting. 
    I think Red Sea has a foundation kit that takes care of a few tests. Not sure how good is it. Salinity use refractormeter can alrdy?
     
    what should the healthy levels be for all these. I am reading conflicting info. Eg Alk some say 7.7. some say 9?
     
    As for dosing guess will go manual first for now.. 


    Hanna phosphate ulr
    Hanna nitrate hr
    Hanna alk
    Hanna copper (qt tank)

    Manual dosing will not do it once u start to play sps.. especially when u start to play with kalk.. i am currently dosing 52.5ml of alk n 22ml of cal.. and my sps frags are just babies.. u cant manual dose.. needs to be spread out throughout the day..
    What alk to shoot for depends on ur salt.. high alk will require higher nitrate n phosphate level whereas lower alk will require lower nitrate n phosphate..
    I am currently at 10.5 alk with 10 nitrate 0.06 phosphate.. different tank will get different levels of nitrate n phosphate level.. it will level out by itself with a form of nutrient export like chaeto as u need to maintain the redfield ratio..
  6. Since now you have some time during tank cycling.. next you gotta start considering and budget for Testing Equipment and Dosing..

    Testing Equipment:~

    Budget go for Nyos or Salifert.. if got budget go for Hanna..

    1. Alk

    2. Cal

    3. Mag

    4. Salinity

    5. PH

    Dosing :~

    You may need a dosing pump.. suggest u get a jebao 4 head..

    1. Alk

    2. Cal

    3. Mag

    Once u go CRAZY and willing to throw tons of $$$..

    Get Apex or GHL to fully monitor and automate your tank..

  7. As per AF Website..

    https://aquaforest.eu/pl/product/kh-buffer/

    20 ml of KH Buffer solution has a KH level of 0.5 dKH in 100 liters of water

    May i suggest that you prep 100l of RODI water and mix in 20ml of your mixed solution and see if u get the 0.5dkh raise or 40ml for 1dkh raise.. this will test your mixed solution potency..

  8. 3 hours ago, lyz77 said:

    Thanks for sharing.

     

    At this point, I am still clueless why my tank is taking so much KH. if precipitation take place, i presume CA will drop significantly as well which is not the case. 

    Could u share your tank dimension.. i assume is a 90G tank..

    https://reef.diesyst.com/chemcalc/chemcalc.html

    As per above calculator.. you should require 60ml from 7.5 to 8.0dkh..

    Secondly..

    image.png.445e4dbeb1a1c0e212be654a52278179.png

    As per your graph.. you should not be expecting a straight and steady line.. It will not happen..

    and as per your graph.. you should be looking at the average which is 8.49dkh..

  9. 2 hours ago, lyz77 said:

    Yes, self mixed based on the recommended ratio. 

     

    Can you share your tank size and dosing ratio per day?

    I have a RedSea Reefer 170..

    Trident controlled dosing 5.1ml RedSea Alk a day..

    Along with 2ml RedSea Coralline Grow..

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