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Found 3 results

  1. Hi everyone, Trying to get my head around the effects of PH GH & KH and rift lake mixes. Ok so I understand there is heaps of links throughout the Internet for rift lake recipes but all of them are different. Some more complex then other etc etc. As a noob I have taken in some info, disregarded other info and have done my own test. I am posting this in order to learn and obtain advice from those more knowledgeable and perhaps help other novice aquarium enthusiast feel more comfortable and prepared to do the same. Why have I decided to make my own mix? Mainly cost, although not mixing or adding anything previously is cheaper again. So hence the second reason is due to the water conditions in my tank not being optimal or to a standard I feel my Malawi Cichlids deserve. While on the topic the current readings for Ph and hardness is my tank are as follows; PH 8.2 GH 120mg/l KH 70mg/l What products did I choose for my initial tests? I have a Bag of pool salt (sunray brand) that I purchased from Bunnings at $7. 1kg of bi-carb soda (McKenzies brand) $3 1kg of Epsom Salts (no brand visible) $8 I am unsure of the actual cost of the bicarb and the Epsom salts as I had my partner do the shopping and I lost the receipt, but they were around that amount. I choose to only utilise these three products because as a novice, I wanted to keep this as simple process as possible. Over time I may change the ingredients whether it be due to my own knowledge increasing or a recommendation from a trusted source. I wont change the recipe if someone simply says "pool salt is bad you shouldn't use it" or "my brothers girlfriends uncles first year apprentice said..." Ok so first of all I started by collecting a 20L sample of my tap water, I aerated it with a mild dose of prime and let it sit for over 24 hours. The results of testing my tap water are as follows; Ph 7.6 - 7.7 GH 50-60mg/l KH 50mg/l What do I know about these figures? I know that the PH, while high for tap water, is still a bit low for my tank inhabitants. I know that the water is relatively soft. What don't I know about these figures? I don't yet know how concerned I should be, if at all. I don't yet know the correct conversion for the GH and KH scale to get these amount in degrees. I don't know how accurate they are as I am only using one master test kit to obtain them and its accuracy is unknown. Anything else I don't know is simply cause I have not learnt or been told as yet. Beyond that there is probably thousands of over things I do not know about tap water that is completely irrelevant. Ok moving on I have now created a second 20L batch of tap water and primed and aerated it for just 12 hours, but I also added the following; 1 tsp Bicarb 3 tsp Epsom salts 1 tsp pool salt I tested this mixture this morning and I now have the following figures; PH 8.6 GH 340mg/l KH 140mg/l What do I know about these figures? I know that they have increased dramatically from my plain water sample. I know that the water would now be considered hard. I also believe the PH is at the higher end of the scale that my Malawi cichlids would prefer. What don't I know about these figures? I don't know if they are too high. I don't know if there is any concerns with slowly altering my tank water with water changes utilising this mix. I still don't know all the other thousand of things about tap water the may or may not be relevant. So that's is where I am at as of this morning. I look forward to any opinions or advice in regards to what I am doing that may or may not be correct. I will update this thread with my mixture results as we go along. I am always willing to learn, but unfortunately I am a physical learner so all the reading in the world generally doesn't help me. Hence I have to do it to really understand it. So I do apologise if this is frustrating for some who feel that all the information I need is floating out there in the online world. I do have another 20l batch currently awaiting testing but this time I have reduced the Epsom salt teaspoons from three to two. Why did I do this? I have no idea, curious I guess? Or perhaps I am just being tight and trying to minimise the materials used to stretch out or simplify the mixture... I don't know, but it's done and I will report the results and appreciate any discussion regarding the two mixes. Anyway I have a busy day today (working on 4wd) but thank all in advance for their input and I hope this helps me and others in the future. I already feel more comfortable with what I am doing simply by making this very post alone, so fingers crossed it works as intended. Cheers Grimace
  2. Hey guys, I just got some sodium bicarb and I was wondering if anyone knew the dosages for buffering ph? I want my tank to be around 8.0 - 8.4 not sure where I want it exactly. So yeah, I want to move the ph gradually over a few days as at the moment it is sitting around 7.6. Also does anyone know a recipe for home made lake malawi rift salts? Cheers guys, Sam
  3. Hi, In the tank that I've been trying to fishlessly cycle, I noticed that the pH has dropped to around 7.8 (probably due to prolonged Ammonium chloride application - maybe this is why the biofilter mysteriously crashed?). I know that for freshwater, Sodium bicarbonate (baking soda) is commonly used to adjust pH: can I use this in a marine tank too, or will it stuff around with the composition of the ASW? If so, how do I bump the pH back up? Cheers, h_tully
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