aeration

Good Morning I'd like to ask a bit of information on tank activity. One of my kids got a small tank as a present so I've set it up for everyone in the household to enjoy.. (I have 5 kids) But I have concerns about the set-up. 1. Water flow in the tank... (Did I put too big a pump and filter in...

please advise - I've had this size for 6 months, upsized after 3 years with 80 litre, so naturally, i bought a few more tank mates from sociable categories at local aquarium shops in UK. sadly i lost 2 baby plecs and 3 corydoras (albino, one young, two from the previous tank ) all around xmas...

So I'm wondering whether to change my filter. I currently have a hang on the back external marina s20. I cleaned the casing out last weekend and discovered it wasn't flowing last night and I had to clean it all out again. It's fairly new and my fish in cycle is not quite there yet, but I'm...

I'm a bit concerned with the tiny micro bubbles that my Interpet PF-1 is throwing out. I understand the concept of aeration, maximising surface area for gas exchange etc and I know that bubbles are not necessary as such, just surface agitation. However, I recently suffered a nitrite spike due to...

Curious about what ways I can effectively and safely lower my pH. My tap water is around 7.4, trying to get my tank to anywhere under 7. I heard aging tap water is a good way to lower its pH, but after its in the tank and cycles for a bit with my aeration, wouldn't the PH just go back up...