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    • Damien Dyer
      By Damien Dyer
      Hi I signed up awhile back but this is my first post so I hope I'm in the right section. I've been keeping crs/cbs for a couple of years now, starting with a dozen and now have approx 200. I have a large 200lt tank and use fluval stratum. My parameters have always been pretty steady, tds 130-150,  ph 6.7-6.8, GH 3-4 and KH 1-2 and have had great sucess but over the last few months my KH is reading zero and the PH has gone from 6.8 to 5.9!! All shrimp are still doing well and no noticeable deaths but the ph drop is concerning. Is this directly related to zero KH? (No buffering) Any advice on the cause and any action that I should take would be very much appreciated. Thank you 
    • macjeff
      By macjeff
      I have had a 20 gallon RCS tank for 3 years now.  I have moss balls and some JAVA moss, drift wood, and mineral rocks.
      Only RCS in the tank and some soft shell snails I have in there I breed for my fresh water puffer fish in another tank,.
      My issue is that the shrimp live 1-2 years and they breed just fine but I never see babies.  I see plenty of eggs but never babies.  (Well 1 or 2 a month maybe but they disappear)
      The adults keep going just fine until they die off of old age or something else.
      I keep about 100 shrimp in the tank and have to replenish 50 every 6 months about.
      Water Temp I keep about neutral. 
      PH- 7- 7.2
      I use distilled water or sometimes Reverse Osmosis water because our tap water goes through a water softener which puts a LOT of salt in it which makes TDS very high so I try not to use tap water at all.   
      I feed every 2 days with Azoo or other good food and not much.  Its all gone by the time I feed again.
      I do add some powder food for the babies and a shrimp bacteria powder (just started that about 6 months ago but has not helped or hurt)
      Someone told me due to the distilled water my issue is LOW TDS.  So I bought TWO different meters.  I tested the distilled water and its about zero which is correct.  I then tested my water and its about 700.   I do top offs and just did a 20% water change last weekend with distilled water.
      So is that the issue?  Should I pull out the mineral rocks?
      I am thinking tonight to take about 8 gallons of water and drain the tank down about 40% and then fill with the distilled water.   I can repeat the process in a week and once I get the TDS under 150 I can add a little shrimp mineral to get it to the 200 range.   The reason I am saying that is the TDS could be bad TDS and not the minerals they needs.  I ordered some Salty Shrimp Mineral which I heard was good.
      Should I just give up?
       
      Jeff
    • NoGi
      By NoGi
      One of our sponsors, @Filter Systems Australia are seeking an expression of interest regarding a range of filter media they are considering carrying. If interested post here. Current prices are as follows:
      Mafian Stone: $15/Kg Tourmaline: $25/Kg Neg ion: $30/Kg FAR : $25/Kg But this will change (go lower) subject to demand and our SKF discount.

    • NoGi
      By NoGi
      Source: http://www.fsahome.org/uploads/4/8/5/9/4859831/gt1-70_di_brochure.pdf
    • NoGi
      By NoGi
      Source: http://www.fsahome.org/uploads/4/8/5/9/4859831/gt1-70_di_brochure.pdf

      View full article
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    • Ludwiggg17
      Hi there Simon Im terribly sorry for this very late reply but yeah i have bought my molly 2 friends for her to be distracted with. The natives are surely getting better cause im starting to notice that some of them are developing these white stripes on their back. But ive had a problem because ive had few to no juvies in the whole time i caught them. I dont know if these kind of shrimp need brackish water or they may simply just be eaten by the molly. Oh and by the way i have this really really annoying planaria infestation in the cull tank which could be an explanation to the lack of juvies but ive no comprehensive evidence of their absence.
    • sdlTBfanUK
      You're doing fine so carry on as you are until you feel the cycle is done. My normal schedule is 10%water change every week however I don't think you need to do any while the cycle is going on until/unless the nitrates or ammonia get too high, or the PH gets too low. The lower the Ph the slower the bacteria reproduce! As you only have 2 shrimps they won't be messing the water enough anyway at this stage, I hope they are still doing well? Can you take a lower resolution photo, or reduce the photo size on a computer? If you want to email it to me I can reduce it for you lavissimon@gmail.com - I had to do it often in the past.. Simon
    • Brando
      Ok I will continue to add fluval cycle every other day starting today. I have a piece of driftwood I could add which will lower ph too. Should I only water change once a week? Also, I have 3 java ferns, some small almond leaves, and driftwood. I can’t upload a picture due to size.
    • Crabby
      Do you have plants in the tank? And sorry for asking multiple times, but can you send a photo of the tank through so we can see the setup? 
    • jayc
      Yes, just right.   That's good news. It looks like there is some bacteria in the tank and it's processing the ammonia. Nitrates are building up however, but that can be reduced with water changes. Continue using the Fluval Cycle at every water change, ie. weekly. Just keep working on reducing the pH slowly.    
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