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I do reminerize the water so that's not the issue. Both my GH and KH are normal. I've been using reverse osmosis for a year now. My confusion is also the difference between my strip test (0.25mg/l) vs the liquid test (0.025 mg/l). I know strip tests aren't as accurate but that's a factor of 10!

A week or two ago, I introduced a few guppies in my tank and they almost all died within a week. Upon checking the water, it seemed like a nitrite issue. My other fish in the tank are all doing fine but they are bigger so the fish store told me, guppies are more sensitive because they are...

I just did the test to see if my water changed during the trip to the shop... I took the same container I used to go to the fish shop to rule out something in the container was causing the water to change... I even shook the container to simulate the trip so the water got agitated so there's...

I am willing to listen... I asked a lot of question so far and I always listened so that's not the problem. But look at it from my perspective: I measure Ph: 7.5 and NO2 of 0.1. I go to the store with my water and they measure Ph 6.5 and NO2 of 1. They tell me that my fish probably died...

so I could test that easily by pulling water from the tank, leave it to stand for 30min (trip to the fish store) and then test the water? Does that also effect the NO2? Also, how can the Ph increase from the 6.4 (which is the value it has in the tub where I collect it) to 7.5 in the tank? And...

At the moment I am not concerned about my water... First I need to understand why my test give a different result than the test they performed in the shop. If I can't straighten out that, it doesn't matter looking for other issues as I cannot trust my result at the moment. If I change to a...

I add KH+ to my RO water before I add it to the tank. The KH of my water in the tank is 4. That product also add minerals to the water. I do have some chlorine in my tap water but doesn't RO water remove that? But again... how would it be possible that the fish shop measures a Ph of 6.5 and...

I do have an ammonia test but they didn't test for ammonia in the shop. My ammonia test at home results in 0. I create my own RO water but that's not the problem... My problem is that I don't understand why I am testing 7.5 for Ph while the same water is tested for 6.5 in the shop. Are...

Few days ago I went with some of my tank water to the fish store for a test as I had some issues. At home these where the values I got from my test: NO2: 0.1 mg/l NO3: 15 Ph: 7.6 When they test my water at the store they got: NO2: 1 mg/l !!! Ph: 6.5 I don't understand how these differences...

KH at the moment is between 3 and 4. I don't have a TDS meter so can't tell that... I usually do between 70 and 100 liter water change every week and I have been adding half a cup during each WC so that might be the reason... Seems like I added to little during every water change. Maybe the...

The only product I add is this: JBL Aquadur This is to raise to Kh so the Ph is more stable. This is also suppose to add minerals if I'm not mistaken... That's all I add when I do a water change. Now that I read this... I might have added to little. The box says to add 1 cup/100l while my last...

I use RO water and have a heater in the tank where I collect the water. It's the same temp. My temp is now around 25c and I always check the temp of the water before adding to the tank. It was also 25c so don't think that's the cause.

My tank has been running for over a month without much problem. Last week I had a major issue with algae so I did a 3 day blackout to get rid of them which seemed to help. After the blackout, that was Sunday, I did a 50% WC and fed the fish properly. They all seemed happy and active and...

I use KH+ because I'm using RO water. I'm using the standard LED lights that came with the tank. Two tubes, each 29 watt. One is 9000K and the other is 6500K. It's suppose to be one for natural light and one for the plants. And yes, I'm using a timer. I'll get the plants as soon as I can...

I started the black out so can't take a picture now but here's a picture from when I just setup the tank. All the plants have grown a lot obviously so you have to imagine the plants with 2 months growth on them And I did remove the small rocks that make up the path as it wasn't working with...

Yes it's an all in one tank. One tube is 29 watt so I have a total of just below 60 watt. So that's even less than your recommended 80 watt.

Tank is 240l. I have two lights, one is 9000K and the other is 6500K. Not sure about the wattage though... It's this tank: JUWEL Aquarium | Rio 240 LED | purchase online

ok yes, the tank gets a lot of ambient light. It does not get any direct sunlight so that's good. It's in my office where I usually work from 8.30 to around 20:00 so during the evening I have the lights on in my office so usually it's only 8pm before it really gets dark in the room. For that...

6 hours? Isn't that bad for the fish? Or is that even enough for the plants?

I use a KH+ products that increases the KH but that's it. How do you know it is Cyano? I thought it had different color than just green? Mine look mostly green, right? Especially on the glass..