aluminum pans good or bad?

i plan on using aluminum pans for a res, i read somewhere about aluminum poisoning. there wasnt any info on it tho.

oldMcDonald said:

i plan on using aluminum pans for a res, i read somewhere about aluminum poisoning. there wasnt any info on it tho.

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Hey man. I started off in soil. Recently I received a gravity feed hydroponics resovoir so i bought some rockwool and transplanted some of my babies into the Hydro system. After noticing that all you need is a resevoir continuously filled with water i transplanted 2 more of my plants into some rockwool filled pots that are sitting in an aluminum baking tray resevoirs that i fill with nutrient water when it dries up. These plants are actually much more healthy looking than the ones in my gravity fed hydroponics system (which is actually probably due to over using nutrients seeing as though I am new to using them.) Also, Seeing as though they are only about 5 weeks old and have only been in the aluminum resevoirs for about 3 weeks I am not sure if they have been poisoned yet... maybe my plants are destined to be poisoned gradually over time. However i have never heard of this.I can understand why it would poison it...aluminum doesn't rust like most metals, instead of forming a copper colored decaying rust, aluminum forms a white power that strengthens the aluminum. I'd assume to prevent this powder from forming you can deny air's access to the inside of the resevoir by keeping it continuously filled. I know no specifics about any of this im just trying to offer some of my 2cents.

sweet, thanx, if theyre good for 3 weeks theyre prolly good. how many clones did u put in there?

oldMcDonald said:

sweet, thanx, if theyre good for 3 weeks theyre prolly good. how many clones did u put in there?

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They were actually babies born in soiled 16oz solo cups. I washed the roots clean of soil and repotted into 2 gallon pots with rockwool. 2 of em are in a hydro system, 2 of em are in 2 gallon rockwool pots sitting in aluminum baking pans as resevoirs, and one is just in potting soil.Actually... I just took some pics check em out. One of the plants growing in the gravity hydro system is kinda fucked up... probably from over using nutrients. Got any suggestions? I just cut off the gravity feed valve and started watering with plain water.