powder

I need help mixing this brightwell magnesium P powder solution. How many grams do I need to make a litter solution? Sorry I’m terrible with math and I’ll appreciate the help! Side note : no matter how many solutions I add my magnesium still stays around 1300? Instructions and...

What do you guys use for a magnesium powder solution? ive tried Redsea magnesium powder solution but it leaves a residue. what else is out there’s that’s good on the wallet also?

I've been wanting to dose silicates in my reef tank and read Randy Holme-Farley's article about silicate dosing. I know that it mentions you can buy water glass solution to dose silicates, but I was wondering if I could purchase this hydrous sodium silicate powder I found online to dissolve in...

I have a tank with a 5.5 inch desjardini, a 4 inch powder blue, and a 3 inch blue hippo. They were added at the same time and have been getting along with literally no aggression for about 6 months now. But in the last few days I have noticed the powder blue occasionally chasing the blue hippo...