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Some swear by it, others find it silly.

I agree with you. I don't think Dyna Gro is the "be all, end all" of fertilizers by any stretch of the imagination. They are a company more interested in what is inside the bottle rather than what is on the outside. They don't tout pseudo scientific bullshit on their website and don't give...

Problem is that most people have no idea what a good T5 fixture is.... Low cost T5 fixtures sold in hydro stores cannot compare to a well designed fixture that utilizes a properly bent reflector and active cooling. Since you have already spent the money, stick with the T5s that you have. If...

Worst - bagseed. 9 plants and every one of them (female) produced seeds....lots and lots of seeds.

My recipe is as follows: 20 gallons of R.O. water 100ml of Pro Tekt 50ml Mag Pro 100ml Foliage Pro.....or 100ml Grow I switch from FP to Grow after the 3rd week of 12/12. Bloom is a bit weaker in concentration than the two grow foods, so I would use 125ml of Bloom if I used it (I flower with...

I noticed that when I increased the size of the smart pot from 2g to 3g, the plants grew a lot bigger (hence put out more product), but I make no claim that it was due to anything other than growing in a larger container. I went back to the 2g as I also use a tent and am limited on height of...

Yep!! That'll do it.

I said the same thing about hydro when I first started out... then I figured out why God put dirt outside and why my mother insisted it not be brought inside!! Everything looks great, just make sure you figure out how to exchange the air in the room and most importantly, to remove the stink...

You cannot accurately measure the pH of R.O. water as it has very few carbonates. You need a purpose built pH meter and they are NOT inexpensive!!

Stay away from their feeding chart; it tends to make E.C. a bit too high. Pro Tekt and Mag Pro won't raise your E.C. too much but the Grow certainly will. In other words, 100ml of Pro Tekt may raise 20 gallons of water from 3ppm to 80ppm (sorry, no E.C. scale for this guy!!!) but 100ml of Grow...

The lady at the local Worms Way suggested rocks over hydroton and I am sure glad she did. I fill up "Smart Pots" with the rocks and use a flood and drain setup. Many years later and I still use this setup, though I do not reuse the rocks (or the pots.) Grab an old colander (not the one your...

To add to what Jar Man has stated, I start seeds off with 2.5ml/gal of Protekt and 1.5ml/gal of Grow or Foliage Pro.

Me too; maybe it was the same stuff??

I would suggest starting off with the 250w in the 3x3 tent and growing 2 plants. When they get larger, move your plants to the 4x4 and use a SINGLE 400w. See how hot things get and adjust your ventilation needs accordingly. If you need more light as your plants get larger and you can properly...

Remove 18 of the 22 pots and you will have 4 midsized plants to fill that entire room. Also, you may want to put plastic "saucers" underneath the pots to catch the runoff water. Add a recirculation fan in the room as well. Also, are you venting the heat from the lamps outside?? If so, you...

No it is not; you have a hobby grade meter. You need a pH probe specifically designed to measure pH of water with a low ion content. Last I checked, Thermo/Orion makes them....be prepared for sticker shock as they cater to the medical and/or research laboratories.

You cannot measure pH in RO water unless you have a pH meter specifically designed to do so....they are correct in their information.

In my opinion, keep using Grow for the first three weeks after you switch the lights to 12/12. This helps keep the lower fan leaves nice and green.

I will post a picture on Saturday. When I get home tonight, the lights will be off.

Yeah, most feeding charts are way off the mark. I started with DG's chart and quickly learned that plants are much more happy with 1/2 the strength recommended. I would continue to use CalMag and dial back the main nutrient a bit. I test my water when adding nutrients and 50ml of CalMag...