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There is several different types of silica, some are pretty cheap, some are expensive. A guy that works at my local hydro store said that gh armor si, (potassium silicate) is not immediately available to the plant. He said that after about a week the roots break it down, before its available...

I had a power serge Wednesday, and 1 of my gavita 1700e pro lights lost 3 bars and the other one lost 6 bars. Are they worth fixing, can they be fixed?

Jack's RO is 12-4-16. The gh maxibloom that I've been using for years is 5-15-14. There's quite a difference here. I wanted to try the jack's ro but not sure after comparing the %'s. Is the jack's mostly for veg. only? Hell, some people use maxibloom for veg. and flower all the way with good...

I have 2 gavita 1700e's in a 4x8 tent, with the lights as high as they will go. I also have a controller EL2 connected, dimmed down to 50%. I still think I'm getting too much light. Is there any way that i can dim the lights a little more? The par or ppfd at the canopy is at 350-365. It seems to...

I have a 4 x 8 tent, and I took 2 600watt hid's out and I put a gavita 1700e in there. New to leds, but what does everyone think about running 1 or 2? If i put 2 in there the leds will be wall to wall coast to coast. I'm thinking 2 will be slightly overkill but 1 is going fall a little short. I...

i have a gavita 1700e led connected to a EL1 controller. You can change the power output from 50% to 115%. Will 115% be hard on the light?

when it gives you the cost, in my case i was doing 1 gallon of concentrate 300:1, the cost was 35 is that cents or dollars?

is anyone making a pat A & B concentrate with Jacks321. It would already be dissolved and ready to mix. Just not sure what ratio to go with,10X 20X 50X etc. what would be the best? thanks

what ppm scale does hydrobuddy use 500 or 700?

I'm using GH maxi-bloom and it says that its real close to the lucas formula @ 7grams/gal. what exactly are they referring to, the npk ratio? or to actually use 7grams/gal. In ro water 7grams/gal is around 2ec, 1000ppm .5 scale. I don't go over 700ppm the entire grow. If i mix weaker is it...

I'm running a ebb and flow bucket system, and been having problems with the roots plugging the fill/drain fitting and sometimes a foot or so inside the 3/4 " hose. This cycle I'm trying the root control disc, which has a non soluble copper type paint on one side that kills the roots. The ones...

When using RO water with GH MaxiBloon do you think i should add cal-mag? On the back of the MaxiBloom package it says it has: ca 5% mg 3.5% i ask this because any time you mention ro water, people say you need to add cal and mag. thanks

Has anyone tried a jockey box cooler to cool their res. If so was it over kill on cooling? If it is too much i wonder if i knocked a 10'' hole in my basement floor, busted out the post hole digger, and put the stainless cooling coil (120 ft. long) down about 3ft. Fill the hole back in with the...

I picked up a flo-n-gro system, and it has 8" square net pots by 10" tall. That's huge in the net pot world. Is there any benefit to these large pots? And do you think I could use smaller ones without any sacrifice? I'm using hydroton with 8 sites and the 55 gal. res. that came with the system...

I want to buy a Flo-N-Gro system, their standard size is 4 gallon containers with 3 gallon mesh pots. their giant size is 6.6 gallon with 10" mesh pots. In soil I veg. until they are about 20" to 22" then flip to 12/12. And want to do about the same when I try hydro. Would I be better off with...

can you get good results using a guano regiment (sunleaves schedule) in a soilless mix like pro mix? on its own. thanks

is there even one made thats small enough?

would i use 1 bale 3.8 cf or 2 bales of pro mix to subcools ss recipe? is a bale still 3.8 cf when its uncompressed, i've never opened one up. thanks

does it make a differance when you water, lights on or lights off for soil plants?

is it ok to plant in 100% backyard made compost?