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Hi ive had quite a few problems with wrong ph issues over feeding putting extra things in etc, plants look a little messed up so im going to restart again with some new cuttings, the ones im pulling out are 2 weeks old, my question is i still want to use my same soil, shall i just flush the old...

Hi ive just done my first soil run off and its varied from ph 4.2 to 5.2, i put the nutrients in the water first and that was at 5.4 then i poured it into the soil until it came out at the bottom. the leafs are yellow on sum and ive attached a picture, i have added cal/mag as someone suggested...

Hi i have attached some pictures to see if you can try help me out with this issue, i grow in soil and use canna, ive been growing for 3 years and never had this issue before and never used a ph or ec tester. i always use the same brand soils etc, The issue seems to be with the clones which are...

Hi im going to have 45x 400w lights in a 11.5m x 5m room, i am just wondering what kw or btu will i be needing, i am going to search on eb*y for one to save some money. my electrician said he can easily install not a problem i just need help on which one thank you.

Hi, if i put 45 400w lights in the room and have 4x 4250cfm box fans with filter taking the hot air out, if i put lets say 10 separate 8 inch holes with ducting running to outside that room but with no input fans will air automatically be dragged in as the 4x 4250 box fans should be dragging...

the space these lights will be in will be 11.5 meter long and 5 meter wide room, would the 400w been spaced 1m a apart work just as well as 35 600w, will that much light from the 400w be basically similar to the output to 35 600w lights, The trays are 1x1 meter each tray as 1 light,the trays...