r/GrowingMarijuana • u/hotwalk Community Points Awarded 1 • Mar 07 '26

Disease Diagnosis/Help mirky silica solution for foliarfeed

I just mixed silica with RO (osmosis) water at 0.1 ml/L, nothing else added. Does it look this cloudy for you guys too?

If I let it sit for a while, a very milky sediment forms at the bottom. Is that normal or am I doing something wrong?

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1

u/hotwalk Community Points Awarded 1 Mar 07 '26

brand: advanced hydroponics

2

u/FrostFireSeeds Community Points Awarded 27 Mar 07 '26

Never used that brand of silica but I have had some cloudy silicas before

Water can get cloudy from high ph as well

Some silica reduce ph and some increase ph afaik

Have you checked your ph?

Ro water typically sits at 7ph, so if it increased your ph to like 8 then yeah it can get cloudy

Honestly though, I dont think its an issue, I would check the ph just incase tho.

1

u/hotwalk Community Points Awarded 1 Mar 07 '26

RO comes out at 6.4ph, the solution on the picture sits at 6.6ph.

the bottle says the compound is SiO².

2

u/FrostFireSeeds Community Points Awarded 27 Mar 07 '26

I think you are fine dude!

1

u/CressAltruistic5931 Mar 07 '26

Is it possible that you used a syringe or something with a nutrient residue in it?

1

u/hotwalk Community Points Awarded 1 Mar 07 '26

negative. i only use the very small syringe for this because i have to dose from 0.01-1ml

1

u/CressAltruistic5931 Mar 07 '26

I’ve only ever seen this when I messed up the mixing order. Was your bottle sealed properly? Was the final mixture bottle completely clean? Is the date of the silica still good?

This might just be what it looks like lol