From the great down under myself and for nutrients I use and can recommend the Canna range of nutrients as the best bang for buck, simplicity and availability. You can get the best deals on ebay or for not a lot more you can get them from your local Bunnings.
Here are my Canna fed Gelato, one week since flip, seed sown on April 3, in a 150x150x200cm with the SF4000 in DWC in Bunnings100L totes.
The tent is a touch large for the light, still produces solid buds and gives me a bit more room. That said I do have a 2400x120x200cm tent and intend to double up the grow with another light and was going to get another SF4000, though the newer bar style Mars Hydro FC-E 4800 from my research on YouTube seems like a much better deal and I’ll most likely get that model.
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I now understand how TDS, PPM, and EC are connected! 
Thank you that is good to know. 
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Very nice! 
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Really starting to get organised here finally. All the information is starting to sink in…it takes a while. lol You’ve been a great help, thank you.
No worries @Cazz glad to help i hope you do well with ur first grow but dont be discourage if ur first grow doesn’t go so well my first grow didnt go so well i still got buds but it was only a small amount but now im getting 15.5 ozs from two plants and that’s ten ozs from one plant and 5.5 from another
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