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Yep no hard fast rule I prefer 33% as goal but with everyone's systems a bit different well all need to adjust to ours. The principal stays the same.

One day we will remove the warning labels and let the world sort itself out for the benefit of mankind.

I'm betting you have a habit of being totally wrong... Scroll back.

It's pretty dam obvious... Did you even read the thread or just roll in here like captain America to save the day?

Just fucking clueless... You have anything to back up what your saying? I have a feeling your either trolling or just looking to argue and look stupid

Lmao why are you talking DTW? Why the hell would you come into this and compare DTW and RDWC? Smh

What's your point? You can half assed lots of things that work. I'm talking about keeping things as dialed in as possible. I never said you can't half ass it and grow plants. Also the slower your plants grow the more forgiving it is so who knows maybe your system is not nearly as effective? Idk...

Just gonna call it the way I see it.... BS. If you have significant or measurable evaporation your doing it wrong. The nutrient ratios used to grow can vary greatly with almost identical results. The change in ratios over time is directly related to the size of the system and nutrient uptake...

I'm keeping it simple here but I also do the same. Readings before and after add backs.

Ok so you have a 40 gal res and say daily you plants are drinking 10gal. Your EC is 1.2. You mix up 10 gal with 33% concentration. 0.4 add it back to the res. Your EC is 1.2 after add back.. your perfect. Your EC is 1.3 your res solution of nutrients at 1.2 EC is to high for the plants and the...

Yes but you also need to adjust for the increased needs of the plant as it grows. That's what I'm talking about including here. Sure you can just go by a guideline but why not go one step further and make sure your plants are getting the right ppm. This is done by monitoring the amount they eat...

Ok so this is a guideline that should be close if the starting ppm is in the prime zone. For me I like to see a slight increase in ppm as the plants drink not much but just a bit. But if I too up with just water the ppm goes way down pretty quickly. 33% is a good starting point but will need...

Top up with 33% solution adjust as needed and do a res change once you have added back the volume of your system to prevent nutrient imbalances. If your ppm is is dropping after this bump up the solution and plants likely would benefit from an overall increase in ppm of the system. If your ppm...

This.

Looking good. Seems like you have it all under control now.

I take it you have little to no understanding of how organic nutrients work?

I agree. The only differences between organics and minerals are. The microbiology of the soil, the sustainability of the soil and the availability of the nutrients. There may be a few more but those are the the majors. My bad just get frustrated with the organic vs mineral nutrients I probably...

Ascorbic acid (Vitamin C) also works

Don't misquote me. I'm talking nitrate. If you wanna pick at it then yes you are right but ammonium is also broken down by denitrifying bacteria into nitrite and then nitrate. Mineral nitrates are no different than those broken down by bacteria. Nitrate is nitrate... Is that better Mr picky...

Only top feeding once a day correct? I would simply mix them 50/50 at about 200ppm and like @myke said cal mag 100ppm.