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I've kept a group before with rummys and the beckfords kept to themselves. Always sparring. Great fish.

I am thinking green neons, rummynose, Cory Adolfoi, Beckford pencil fish. But tbh, I just like the aesthetic of a black water tank.

Thank you for the replies. I will be adding katappa leaves for tannins and may use some red bush tea for colour also. I will have little or know plants at the beginning. Perhaps some Brazilian pennywort or eleocharis later on. My priority is the fish and I want to give them soft acidic water. I...

Hi all, I am about to set up a black water tank for tetras and Corys. My tap water is rock hard however. So, I'm going to use RO and remineralise with seachem replenish to get a nice low GH and seachem trace. Will my water then be ok for fish after cycling or would I need anything else? Thanks.

Hi all, I am setting up a black water tank and using RO water mixed with hard tap water to create a tank of about 100 TDS with pH around neutral or slightly acidic. My RO water is pH 6.8 and I mixed some tap water Ph7 and TDS 400 to get TDS 100. On putting this water in the tank the pH rose to...

Hi all and thanks for the help. Im happy that the DC is green at the moment so I'm not too worried. Fish seem fine too. I suppose pH of 8.1 is a bit extreme so I have ordered some pH calibration fluid for my tester. As Justissaayman states above there can be a big difference in tap water pH...

Hi, apologies but I was a bit premature about my drop checker. Its now lime green but tank pH is still 7.8. pH was stable before when I was using RO water.

Hi, started a new thread in "water chemistry". Tap water is 6.8 and tank is 8.1????

Hi all, further to a recent thread I started on here, I am now using 100% tap water which is pH 6.8 and TDS 450. However, my tank water is pH 8.1 in the morning and 7.8 in the evening when the CO2 is on. Now using up to 6 bps and still can't get a green drop checker or get the pH to drop. Have...

Hi, just an update for those interested. Rummys and Dennison barbs are doing fine. Appear happy as always. However, like everything in this hoby, solve one problem and another pops up. This time its my PH so going to have to start another thread I reckon.:crazy:

Thanks for your help on this. Feeling less worried now.

Cheers for that. Feel happier about things now. I have found out the following about my local water: Aluminium : parametric value 200ug/l, result <10 Ammonium : parametric value 0.3mg/l, result <0.08 Iron : parametric value<100ug/l number per 100ml, result <100 Nitrites : parametric value 0.5...

I am planning on using my tap water and declorinator (Interpret Tapsafe). Surely this would take care of any harmful substances and therefore there would be no need for a HMA filter.

Thats good for you Juliusz. I only had a basic portable RO unit and had to use a separate pump to boost the domestic water pressure. Had to put RO water in large barrel and heat with a heater and small circulation pump and then pump into the tank. So, as you can see it was a bit of a chore.

Okay. Thanks for the replies. I'm going to stop using RO gradually over the next few weeks. Will make my life much easier.

Hi all, looking for some advice on my water change regime. I'm currently using about 90% RO water for my water changes because I have soft water fish (rummynose and Denison barbs). I have learned from this forum that plants are quite adaptable so am not worried about using my tap water. Anyway...