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i currently have no hydro shops around me and perfered to shop in person so i bought everything while i went on vacation and brought it back i have only had one grow and it was a 5gallon net pot dwc grow with some very generic nutrients for my first grow and i had very little problems with my first grow other than i used all cfl bulbs and it took a little time but got roughly 40 grams out of my plant but this time now that i have 1 successful grow and understand more i have built my 50 gallon fishtank into a dwc that will basically hold 20-25 gallons of water and the tank is 4ft long 16''x18'' or so i have 4 air stone tubing and a 4 port air pump, clay pellets and 4'' cubes...i have upgraded my lights and have a 300 w led and a 180 w led put my old cfl 200-300w bulb...my grow tent is something i built and am going to be 21/2ftx5 ftx 4ft then i can add 3 ft to it if i want but how many plants can i grow and i also bought RX Greensolution part A&B grow and part A&B bloom some liquid seaweed and some flora bud concentrate anyways what is the mixture for this has anyone had any problems should i do a scrog grow this time i also ordered amnesia haze i havent yet started my grow but am going to start within the month just want to do plenty of research before i start. I also own a digital tds meter but have never used it?? and a digital ph meter that i do use...dont really want to spend any money on a RO water system can i buy 5 gallon jugs of water at a fish store? and just PH it??? Do i use both part A&B at same time? is there anything i need to think of or do before also temp has always stayed at 72-75 and at 40% humiditiy i never had a issue there? last time i ran it a few problems but were caught very eary and fixed only problems i had was i needed to add hydrogen peroxide and epson salt last time but it was never more than a few leaves that drooped or got light spotting but it only lasted a few days