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I only use it to add minerals back to the DI-water I use for water changes. my fish prefer soft water, and I don't see much need for higher calcium figures. My problem with calcium sulfate was that it takes quite long to dissolve. Once the filter is established the water remains crystal clear...

I use calcium acetate to reach 4.2 ppm calcium. the solubility is great but it does seriously promote bacterial growth so clouds the water in new tanks.

Yes, I absolutely agree, the effect of liquid carbon is nowhere near similar as injecting 30 ppm CO2 . It is not a substitute. But we should also realize that inject gaseous CO2 is not very efficient, most disappears into the atmosphere, some is dissolved in the water and a little is used by...

I was doing some reading on the metabolism of plants because I want to improve my fertilizer formula, and stumbled across an interesting part of cells called peroxisome. One of its functions is to help breakdown toxic substances and waste by producing hydrogen-peroxide (H2O2). I realized that...

why not ad the nutrients in a 1:1 ratio with the fresh water? so if you change 14 liters of water, you add nutrients to bring those 14 liters up to standard EI-levels. (or double in extreme high tech) 0 change of overdosing or nutrient build up.

I also use tap water, and ad a little vinegar to it to bring pH down. The mixture stays clear now, so it works for me.

what is the pH of the water you use? EDTA and DTPA are stable between pH 3.5 and 7.5 I believe...