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    • daveron
      By daveron
      Hello,
      So the problem is, that my pH is always rising and settling in the range of around 6.8, but I fail to understand why and I hope you will clarify the problem for me. Let's get into details:
      I am running inert substrate tanks, which have the following parameters: pH 6.7-6.8, GH 5-6, KH 0-1, TDS ~125.
      My routine is that I do weekly water changes of around 20%. The water for changes is RO water + salty shrimp GH+ + Azoo Triple Black Water (which is basically a tannins and humic acids extract)+ Azoo Ph Lower, and I usually adjust the pH to around 6.0-6.2 as I want to keep it acidic, but the pH just won't go down lower than 6.7(to be exact - If I would add peat, or a lot of those acids, then sure it would go down lower, but after some time it always comes to it's usual 6.8 range). I also adjust the pH of the top-up water, which is RO + Triple Black Water.
      As I am adding a lot of acids into the water I thought the pH should stay acidic, unless there is something that absorbs those acids.
      So I did a test - I have prepared my usual bucket of water, re-mineralised it and adjusted pH to below 6.0 and let the bucket be. After around 24 hours I have measured the pH of the water in the bucket and, the pH was back at around 6.6. So it raised a lot. Once again I lowered the pH to below 6.0 using Triple Black Water only, and after another 48 hours the pH was again 6.8.
      So why is the pH rising ? I understand that with kH 0 there is nothing to buffer the water, but since I am adding acids into the water and there is nothing that could absorb them what causes the pH to raise ?
      Thanks !
    • puddlejumper388
      By puddlejumper388
      Hi everyone, I have spent some time searching (unsuccessfully!) for any threads set up to address how to naturally and chemically treat the more important water parameters. Obviously I'm not talking about temp, but the PH, TDS, KH and GH levels are the ones I'm most interested in. Now I'm country based so the only water I've got access to is R/W and bore (perfectly drinkable from the pump itself, no brackishness) which I have used for 4 of my 6 tanks (tropical and a few lower grade cherries). But I want to better hone in the water condition as best I can so any tricks to raise lower the above parameters naturally or if need be chemically. Or if anyone knows/finds a link, anything will be appreciated.
      Had put this in the pinned "Shrimps 101" but will try to delete it as it's probably better as a separate post.
      Being rural makes water choice difficult and some of the values I've tested are way out, hence why I'm seeking advice.
      Cheers all.
       
    • revolutionhope
      By revolutionhope
      Hey SKF peoples,
      I'm just mixing up my RO water with a combination of GH+ and GH/KH+ to keep tiger shrimps in. And I thought I'd share my experience, I gradually added the minerals and measured pH along the way and I thought I'd share the results.
      I note that the pH may change overnight after letting stand but I have been running a pump in the water to mix it well and aerate it so I doubt there will actually be any measurable shift.
      As you can see by the results, the GH/KH+ pushed up the pH a LOT! Does anyone else have this experience? I have achieved my desired water parameters in terms of ppm and GH/KH however the pH is unreal.. and this is not the first time this has happened to me either. However t is the first time I have taken the effort to document the fact.
      I'm planning on experimenting with adding a very shallow layer of the cal aqua labs black earth premium and monitoring the pH over the course of days.. expecting it to slowly drop...
      Any input is 100% welcome!
      love n peace
      will
      PS the initial drop in pH after adding the first lot of GH+ I understand can be explained (as I have read elsewhere) that when attempting to measure the pH of RO water using a pH meter the device can not accurately produce any result due to the lack of ions/conductivity in the water.
      27/05/2016 EC meter  HM  TDS-3 pH meter pH APIkit      KH        GH At time of water mixing EC0  ppm0         fresh RO     6.6       after adding 50ppm GH+     6.3       after adding 30ppm GH/KH     7       after adding 25ppm GH/KH     7.5       after adding 45ppm GH/KH EC300   8.3       after adding 17ppm GH/KH EC333  ppm175 8.3 7.8 3 8
    • bort
      By bort
      Just found this guy dead tonight. Yesterday he was fine.

      Now i found another alive, but has discoloration and some stuff on him near the tail. Quarantined now.

      The rest seem to be doing fine as far as i can see.
      I have some hydrogen peroxide 3% and melafix in hand atm. Or should i not use either and get some better meds ?


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    • sdlTBfanUK
      You're fine as you are, you want some KH! You can slowly reduce the TDS by topping up the tank with just RO water, it is ok at 252 but that is pretty much regarded as the upper level (150-250). From here in you don't need to do ALL the tests every time just use the TDS when preparing new water and I would aim for about 200-220 when mixing new water as that way you have quite a margin for inaccuracy as it will probably be difficult to get it spot on anyway with the powder GH/KH+. As you are using the salty shrimp mineraliser that means the GH will tie in with the TDS anyway. Probably do fortnightly set of tests for the first few months just so you can be sure all is well? I'll keep my fingers crossed it is all plain sailing now! Enjoy watching your new shrimps and snails. Simon  Edit - suddenly realised what I wrote! YOU SHOULD ALWAYS top up with RO water as evaporated water leaves everything in the tank water anyway. To get the TDS down you can mix the new water to TDS 200-220 when you do a water change, or even use just RO water for the water change if it is very small and dripped into the tank!
    • DEL 707
      Thanks. I've got them drip acclimatising at the moment, 5 shrimp and 2 nerrite snails. CO2 is turned off, will keep it off for a few days. My TDS is 253. With my soil, is it worth switching to Salty Shrimp GH+, or should I keep using the GH/KH+
    • sdlTBfanUK
      Fantastic news!!! They may slow down/stop breeding in winter remember but that's not something you need to worry about at the moment. I think most people leave at least the back (I leave back and both sides) alone, to grow algae/biofilm, the babies especially like that? If you don't like seeing the growth on the back glass then you can get some black background to put behind the tank, this will also show the shrimps off better, especially babies if they are on the back???? Also as the sponge is black and the filter is also black etc they won't be so visually obvious????  Always great to hear a success story so thanks for the update! Simon
    • sdlTBfanUK
      GO FOR IT! As I wrote earlier mine are kept in KH2 and KH3 and do fine so I would think yours will be as well but just stretch out the acclimating as a precaution. My KH3 I use KH elixir which I got from ProShrimp but that was for the betta - incidentally using the elixir also increases the TDS, but I would go get those shrimps and see how you go first before trying to complicate things as I think they should be fine, so see how they go and expect maybe 1 or 2 may die in the first couple of weeks (expect that and if they don't you will be happier). As you say the soil is probably softening the water and that will stop eventually, so over time it will probably increase slowly, but my shrimp have lived for 5 years in KH2! Do you know what the TDS figure is now? Simon
    • Lizzy
      A small update. I have more shrimplets than I can count and numerous berried females too, which is great. I can see shrimplets of all sizes too, which indicates they're surviving nicely. Super stoked to see the population finally taking off. I imagine switching to RO water has been partly, if not totally, responsible for the uprated breeding and shrimplet survival. The pH has slowly dropped to around 6.8 since I started using it instead of tapwater. I'd also give some of the credit to the warmer weather with the change of season, but I've been here before and never had more than a couple berried at any time, and never had large numbers of babies. I realised I hadn't put a tank photo up recently. I cleaned it out months ago to make it easier to see the shrimp. This tank is really ugly, but its practical and the shrimp like it. I even leave the algae build-up on the rear glass in case they get something out of it haha.  
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