1. jameson_uk

    Cost of RO?

    My water out the tap is about GH12 / KH5 / TDS ~320 and whilst in theory this is meant to be find for Cherry shrimp I lost the first two colonies I attempted to setup. For the third attempt I mixed 2/3 tap with 1/3 deionised water and this has proved fruitful and now I have a lot of breeding...
  2. Ryouku2015

    Ro water and chemistry shrimp tank

    Hi im moving my shrimp to a 125l from a 27l and have been using an ro filter which was 25gpd I've now upgraded to 200gpd and wanted to check as I'm still new to using RO water it's reduces to 4 tds from 450 which I presume is fine as it's about 99% and waste is at 1:1.25 when I measured. Just...
  3. wilamzq

    First Water and RO questions

    Hi, I have set up a hardscape consisted of some lava rocks and a Tropica Aquasoil which I intend to use it for plants mostly (HC carpet & parvula mini) . I bought this RO filter and I am wondering If I made a...
  4. John P Coates

    KH Stability

    Hi Folks, In my tropical planted tank (including fish), I use RO water to which I add Tropic Marin Re-Mineral Tropic salts. I also add sodium bicarbonate to bring the KH and GH to 5°dH and 7°dH, respectively. In as little as 9 days, the KH has increased to 6.5°dH. When KH = 6.5°dH, pH varies...
  5. nduli

    pump from a jerrycan

    guys considering going the full RO route on my main tank one major consideration is the water changes. I do RO on the nano tank at the moment and can cope with the pre-mixing, bucket route but for the main thats too messy and too timing consuming so I am considering a more automated route...
  6. RolyMo

    Your Opinion please on adding RCS to a CRS tank

    Hello I did a spot check on my fish tank today and in particular the internal Juwel filter. The reason I check the filter is because I normally find a cherry shrimp in there. To my surprise I found 2 quite small Cherry Shrimp in the filter. So I am guess someone has been a bit busy!!! :cigar...