tap water

So i’ve done a pH test on my tank water and on my tap water, and they are different. What causes the pH levels in my tank to be higher compared to the water out of my tap ?

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I already cleaned out my filter with tap water, but afterwards was told not to do that because it rids beneficial bacteria. But there's other items in the tank that can have good bacteria too right? Like the decor, plants, and gravel hasn't been messed with. What effect will this have on my...

Afternoon all, Living in South East London, I've traditionally battled high nitrate levels in my tap water. Today though, I have a rather different issue. Having just filled a 200 litre bucket ready for tomorrow's water change on my 200 gallon, I dipped a test strip in. When testing my tanks I...

Hello all I've kept tropical fish for a few years now, and it has been a fairly casual hobby but recently I've decided that it was high time I learnt more about it and so I will be the first to admit I don't know as much as I should. Please be gentle... I have a Fluval 180l tank which came...

Hello,   I live in a hot climate and sometimes I want to maintain temperature in a freshwater aquarium. I usually make ice cubes from water that was filtered through kitchen pitcher which I later drop in a full bucket when when I do water changes, followed by a few drops of Seachem Prime.   I...

Hello all! I'm new to fish keeping and I have a query about water quality.   My current set up involves a 100L tank containing 1 bubble-eye goldfish and a small pond containing 5 goldfish (a mix of orlandas and regular goldfish).  I've had some trouble recently with ammonia poisoning with my...

Recently I tested my relatively new 29g brackish aquarium's water, and it turns out my nitrites and nitrates are both very high.   My tank's water is reading as: 7.8 PH, about 180 KH, 0 chlorine, Nitrites I think around 7 or 8, the color is brighter than my chart so it may be higher, and about...