testing water

Hi everyone, I have been struggling with non detectable phosphate levels for a while now and I have decided to try out phosphate dosing. I have seen no results despite constant dosing so I have decided to add the phosphate liquid directly into the tested sample and Salifert and API tests still...

Hey, So I've just done my water tests and I'm in very urgent help. My salinity is perfect So my nitrates are extremely high!! I've done a water change 25% to see the same results.... Any idea why this is happening. Currently my 90 litre is going through a ugly stage with algae. My current...

Used. Everything is working fine. All probes are stored in the aquarium.

Leaving hobby for good this time. Hanna Phosphate ULR, Hanna ALK DKH , Hanna Nitrate , Magnetic stirrer for the testers , tray excellent kit SOLD SOLD SOLD

My tank is about a week old and the water test stated it has an alkalinity of 7. Is this alkalinity okay for a softie reef? Will this number rise over time on its own or will I have to add something to increase it?

Hi guys, hope you’re all well. I bought a hanna check nitrate low range and just did my first test on it. I didn’t know about the high range lol. I used the dilution method to get a higher range. When I added the powder the vial was completely full to the brim! Is this correct or does it...

Professional Lab Test Kit - Tropic Marin brand new . Tropic Marin Professional Lab is a complete test kit for monitoring water values in marine aquariums. It contains highly precise tests for phosphate, nitrite, nitrate, calcium, magnesium, and carbonate hardness. Reference solutions for...

Came with a system i bought and already have 1. $450 plus shipping will need new reagent. Comes w the ac dc adapter and usb cable.

I'm sorry to ask this if it's stupid ☹️ but I really need help in how to use these...I tried and by the end I'm so frustrated because I don't understand and also I have a disability with numbers so this makes it harder ☹️