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as title. Thank you :) ps. searched the forum and net but nothing useful came up. :)

It seems some people place root tabs under some plants. How do I identify plants that requires such? thank you :)

1cm3? also I suppose that is 1cm3 for 250L tank? thanks again :)

Hi Darrel. magnesium main source will be epsom salts. I had a look at theplantedtank.co.uk trace comparison before and 1 thing I noticed is the high level of copper in my blend. also the percentages in theplantedtank are a lot smaller than what is displayed in my box. I suppose I just need to...

anyone? :(

This is the analysis data of the trace mix (as written in the box) in %W/W ----------- sulphur as sulphates: 6.29 calcium as carbonate: 10.00 magnesium as sulphate: 3.62 manganese as sulphate: 2.88 iron as chelate: 2.73 copper as sulphate: 1.25 zinc as sulphate: 1.00 boron as borate: 0.09...

can you please provide a link? thank you :)

I am thinking of dosing fertilizer (macro and micro) dry salts at night.

Just to circumstances beyond my control (it's summer here and it gets really hot some days), I have scheduled lights on at 5am and finishes at around 2pm. I have been reading (particularly theplantedtank.co.uk) and it seems it's advisable to dose just before lights on. But since I will not wake...

in the end (like last night), I decided to use powder :D thanks everyone for the help :)

and it should last me for half a year. Can I just add 2mL hydrochloric acid (as mentioned by theplantedtank) so it doesn't "spoil"? or maybe preservative is only required in a trace solution? Thank you :)

okay. I got a better understanding now after reading James' reply. thanks everyone :)

I was reading theplantedtank's EI article and it mentions a solution of 33grams of KNO3 for 250 distilled water. The dosing recommendation is to use 5mL of the solution per 50L of water. so if my tank is 300L, I need to put in 30mL (5mL x (300/50)) of the solution. My confusion lies in the ppm...

I was reading theplantedtank.co.uk and Jame never mentioned how much epson salt is required. I know one of the mods mentioned in the the tutorial but I prefer making a solution just because I believe it's easier to handle. so how much epsom salts is required? I've searched the net and forums...

Thanks Tom for the reply. It doesn't really matter as long as the plants are happy. I was just curious. that's all :) Thanks for the detailed explain. I appreciate it very much :)

But EI is not just a solution I think. there are other procedures involved like massive water changes. So in a sense it's a method. But in PMDD is just a solution much like other ready made solutions out there. how did PMDD become a method? I asked since it's been mentioned several times (even...

I've seen EI and PMDD+PO4 from theplantedtank.co.uk. I've also read EI from this forum. But I'm not really sure PMDD+PO4 is a method along the lines of EI. Because it seems it's more like a fert solution more than anything else. James does say to dose the tank everyday so it's like a method. BUT...

enriched substrate (commercial like ADA, eco-complete and etc and DIY substrates using worm castings and etc)? since the substrate is already enriched with some nutrients, when should I start dosing? thank you