Ye i was thinking maybe washing them may not have gotten rid of trace levels of silicone, i'll try another bucket that never contained any, i bought two topup tanks just in case i screwed up ;+}
So, with nutes in hydro, getting the PPM right means the nutes are automatically at the right strength for the plant ?
The two books i've been reading explain what to do but there's not a lot of 'why'.
Thanks pop,
steely
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Summary of my water report :
[TABLE="class: data"]
[TR]
[TH="class: name"]Analysis[/TH]
[TH="class: value"]Typical value[/TH]
[TH="class: value"]UK/EU Limit[/TH]
[TH="class: units"]Units[/TH]
[/TR]
[TR]
[TD="class: name"]Hardness Level[/TD]
[TD="class: value"]Hard[/TD]
[TD="class: value"]No Standard Applies[/TD]
[TD="class: value"][/TD]
[/TR]
[TR]
[TD="class: name"]Hardness Clark[/TD]
[TD="class: value"]17.00[/TD]
[TD="class: value"]No Standard Applies[/TD]
[TD="class: units"]Degrees Clark[/TD]
[/TR]
[TR]
[TD="class: name"]Hardness French[/TD]
[TD="class: value"]24.00[/TD]
[TD="class: value"]No Standard Applies[/TD]
[TD="class: units"]French Degrees[/TD]
[/TR]
[TR]
[TD="class: name"]Hardness German[/TD]
[TD="class: value"]13.00[/TD]
[TD="class: value"]No Standard Applies[/TD]
[TD="class: units"]German Degrees[/TD]
[/TR]
[TR]
[TD="class: name"]Aluminium[/TD]
[TD="class: value"]7.44[/TD]
[TD="class: value"]200[/TD]
[TD="class: units"]μgAl/l[/TD]
[/TR]
[TR]
[TD="class: name"]Chlorine[/TD]
[TD="class: value"]0.31[/TD]
[TD="class: value"]No Standard Applies[/TD]
[TD="class: units"]mg/l[/TD]
[/TR]
[TR]
[TD="class: name"]Coliform bacteria[/TD]
[TD="class: value"]0.00[/TD]
[TD="class: value"]0[/TD]
[TD="class: units"]no./100ml[/TD]
[/TR]
[TR]
[TD="class: name"]Colour[/TD]
[TD="class: value"]2.37[/TD]
[TD="class: value"]20[/TD]
[TD="class: units"]mg/l Pt/Co[/TD]
[/TR]
[TR]
[TD="class: name"]Conductivity[/TD]
[TD="class: value"]514.39[/TD]
[TD="class: value"]2500[/TD]
[TD="class: units"]μS/cm at 20°C[/TD]
[/TR]
[TR]
[TD="class: name"]E.coli bacteria[/TD]
[TD="class: value"]0.00[/TD]
[TD="class: value"]0[/TD]
[TD="class: units"]no./100ml[/TD]
[/TR]
[TR]
[TD="class: name"]Fluoride[/TD]
[TD="class: value"]0.18[/TD]
[TD="class: value"]1.5[/TD]
[TD="class: units"]mgF/l[/TD]
[/TR]
[TR]
[TD="class: name"]Iron[/TD]
[TD="class: value"]10.53[/TD]
[TD="class: value"]200[/TD]
[TD="class: units"]μgFe/l[/TD]
[/TR]
[TR]
[TD="class: name"]Manganese[/TD]
[TD="class: value"]1.80[/TD]
[TD="class: value"]50[/TD]
[TD="class: units"]μgMn/l[/TD]
[/TR]
[TR]
[TD="class: name"]Nitrate[/TD]
[TD="class: value"]14.21[/TD]
[TD="class: value"]50[/TD]
[TD="class: units"]mgNO3/l[/TD]
[/TR]
[TR]
[TD="class: name"]Odour[/TD]
[TD="class: value"]0.00[/TD]
[TD="class: value"]Acceptable to customers and no abnormal change[/TD]
[TD="class: units"]Dilution Number[/TD]
[/TR]
[TR]
[TD="class: name"]Pesticides[/TD]
[TD="class: value"]0.00[/TD]
[TD="class: value"]0.5[/TD]
[TD="class: units"]μg/l[/TD]
[/TR]
[TR]
[TD="class: name"]pH[/TD]
[TD="class: value"]7.37[/TD]
[TD="class: value"]6.5 - 9.5[/TD]
[TD="class: units"]pH Value[/TD]
[/TR]
[TR]
[TD="class: name"]Sodium[/TD]
[TD="class: value"]22.63[/TD]
[TD="class: value"]200[/TD]
[TD="class: units"]mgNa/l[/TD]
[/TR]
[TR]
[TD="class: name"]Taste[/TD]
[TD="class: value"]0.00[/TD]
[TD="class: value"]Acceptable to customers and no abnormal change[/TD]
[TD="class: units"]Dilution Number[/TD]
[/TR]
[TR]
[TD="colspan: 4"]
Plumbing Metals[/TD]
[/TR]
[TR]
[TD="class: name"]Copper[/TD]
[TD="class: value"]0.12[/TD]
[TD="class: value"]2.0[/TD]
[TD]mgCu/l[/TD]
[/TR]
[TR]
[TD="class: name"]Lead[/TD]
[TD="class: value"]0.69[/TD]
[TD="class: value"]25[/TD]
[TD]μgPb/l[/TD]
[/TR]
[TR]
[TD="class: name"]Nickel[/TD]
[TD="class: value"]3.05[/TD]
[TD="class: value"]20
[/TD]
[TD]μgNi/l
[/TD]
[/TR]
[/TABLE]
So the PPM is pretty high to start with in my area.
I'm looking at RO systems but they need to be fed from the mains in order to get the required pressure, is that right ?
I'm in a loft and we rent so i can't go modifying plumbing, and probably wouldn't try anyway,new taps and repressurising the boiler is about my most advanced plumbing!
I can't be the only guy with this problem, i've read UK hydro grows using non-RO water, i'll have to look them up again.
Cheers for advice
steely