DWC Nutrient Mixing Issue

4 bucket(5gal) DWC I'm noticing that inside the buckets my nutrients seem to settle to the bottom. When changing my res an adding new nutes I Always stir the mix. I'm running a 35 watt air pump with 2 stones per bucket a 4 inch disc and a 11/2-2 inch cylinder. there seem to be plenty of bubbles in bucket,,!so I'm not sure why the nutes seem to not be mixing or absorbing into the water. The disc A stone does put out small sized bubbles then the cylinder style. I just don't know, any input would be greatly appreciated

What do you mean settling? Like do you see solids at the bottom.

Solids indicate flocculation. A chemical reaction between certain nutrients. Usually calcium and magnesium.

I always mix my magnesium(epsom salts) separately from my calcium (calcium nitrate) are the sources I use for each.

Another possibilty is old nutrients. What are you using for nutrients?

I use advanced nutrients 3 part,cal mag. And by settling I mean that you can see some of the nutrients sink to the bottom when stirred you can see them swirl around like it gets a lil cloudy then eventually they settle back down. I've only had the nutes like a month so I don't believe there that old. Their liquid when poured they seem fine no chunks or weirdness.

Are you following their mixing instructions?

Thats weird.

Micro first, then veg/bloom nutes when mixing. Possible you don't have enough water movement to keep nutrients from settling also.


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I follow instruction and have 35 watt air pump for the 4 buckets with 2 air stones per bucket