equipment advice

I'm looking for some kind of monitoring system that will meassure eg. pH, nitrate, nitrite, temperature, tds etc. I have a TDS meter, digital thermometers in each tank and different chemical test sets to test for nitrate, nitrite and pH. I'd really like some kind of monitor or electronic tester...

Hi!! I'm new to the forum and relatively new to the fish-keeping hobby (at least in doing a good job at it; I had some pretty pathetic tanks as a kid when I didn't know any better). Right now, I'm trying to find a timer that will do two timings at once, because I only want to buy two separate...

Hi all! I am writing an essay about a South American blackwater creek biotope aquarium of a size of 66 UK gallons (79 US gallons). The aquarium is stocked with… • 10 marbled hatchetfish • 10 rosy tetra (possibly more) • 4 cockatoo dwarf cichlids • 10 emerald catfish (I will probably increase...