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I agree, I have a Hanna HI9813-6 and likeit a lot. It's the third digital pH meter I've had in 20 years. They keep getting cheaper and better. The probes for all suchmeters are fragile and expensive. The probe for this Hanna costs ~$90.00 It's crucially important to follow all the cleaning...

It is important to understand that Hicks chart is in reference to ideal black body radiation. Bulbs that produce light by electrically heating a resistive element approximate black body radiation reasonably well. Flouresents do not. This is important because a leaf's chlorlplasts cannot use...

I'm setting up a system that that will use two Haight Solid-State PPF-800 LED Grow lights First run will be a test before I buy the second. I've been thinking about this for some time and keeping my eye on the technology and it looks to me like it may be ready for prime time but the proof is in...

Clearly there is no way to know. If it was me I'd just kiss it good by.

Oh, no it's not mine, its a friend's in another state entirely don't you know:) But I think they will be using hXXp://shop.haightsolidstate.com/Haight-Solid-State-PPF-800-LED-Grow-light-PPF-800.htm. Any thoughts on that?

Lets say one has 1.4 meters (55 inches) space between the stem base and the light proximity limit. What medicinal strength strains would work best? thanks

Yes much thanks. So to clarify, If I buy a "good strain" and grow seeds from it those seeds should produce individuals with the range of phenotypes exhibited by the boughten batch of seed? Again, thanks.

Well yes, if a strain is not a landrace it must have been hybridized somewhere back in its lineage, right? The distinction really is whether or not it breeds true (interms of the relevant traits, and because of inbreeding and backcossing). I admit that I've just started studying genetics but...

Here is a pilferd list it has much in common with other such lists I've found though AK-47 shows on some others. What I am hoping to find is someone who can speak from experience in raising from their own seed that these are IBL at least in terms of the high if not their phenotype. Skunk #1...

I am very nearly certain this is nottrue. From H.Lewis' post a hybrid is not an IBL. A hybrid does notgrow true from its own seed. To produce a hybrid seed a crosspollination must be made each time. The vast majority of seeds onthe market are in fact hybrids. Other than those there are a...

I know a composerwho gets up at daybreak every morning takes a run on the beach,smokes a number and then works till mid afternoon. I know a fabricartist who smokes regularly when she does design work because “itmakes her more creative than she really is.” I know an EE who ledthe design team...

A while back I read(where I forget) that new research has shown that roots can absorb covalent bonded molecules (as opposed to only those with ionicbonding). Does anyone know anything about that?

I think that requires tissue culture, eh?

In the US they are called power supplies. A wall-wort type from Radio Shack might work but the current rating must be at least as high as that drawn by the fan. For DC fan motors of the PC type a lower voltage is not going to be a problem (though the fan will run slower) but a lower supply...

I don't understand how it can be too high when one can dilute as needed – improper balance, yes; but too high?

My first grow closet will be based ontrue aeroponics (~50 micron droplets). But my first grow will be inpots to generate seeds so I can afford to lose some crops whilegetting out the bugs. Anyway the plumbing is mostly in a cabinetshown here. More pics later. pawpaw

Getting seeds is problematic for me soI want to do it only once. Plan is to get IBLs produce and storeseeds to replace mothers when lost then grow from clones. I am underthe impression that the following strains are stable and would liketo know if this is true: Black Widow AK-47 Bubblegum...

Hello. I've been a sometimes toker since the mid 1960s. But I've only smoked good stuff 3 times. Arthritis and apinched nerve have convinced me I need to fix that. Been working ona plan for that but am at the point where I need some input. Thanks for the opportunity pawpaw