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Method 7 HPS Glasses don't mention if they protect your eyes from UV A,B, or C plus you can not feel radiation burning holes in your eyes balls, you might feel snow blindness because its the full spectrum.

General info : The iris of a person with blue eyes has no protective pigment unlike a person with gray or brown eyes. Rx glasses in the USA DON'T BLOCK UVC! Sun glasses don't block UVC, glasses sold to indoor growers don't block UVC! If you do find a UVC protective coating it must be checked by...

https://www.hunker.com/13414297/how-to-wire-a-220-volt-20-amp-outlet Considering you are only pulling 1.7 amps for a light, a single light fixture, how would you improve on this information, say the outlets were rated at 120 and you needed a 220 rated outlet where one befound online. What...

Well if you don't have a tendency to light random fires in odd places you should be fine, no worries.

You do have a ohm meter right. That's why I hired an electrician, a very stoned electrician by the way & dat ain't my fault. I only grow potatoes.

More light too

I run all my lights on 240 split phase, my v is 248 v with timer set to lights off off 1.3 v

Make sure its doesn't melt

Yep

The outlet needs to be 240v, in the usa a 240 v has two hots called split phase, it's not to code, but in the UK and AU its single phase EU, UK & AU is single phase. In general not, but it could.

That's some real BS not good !

I looked at the Intermatic read too many current complaints So I decided on this one, Made in USA Old Established Company Made in New Jersey Each switch has been tested 7 days straight 2 year Warrenty Excellent Customer Support 3 Day delivery 30 dollars less than locally Switches lights on...

240 timer install Precision Time Model CD104 Made in USA

pH pot culture should be slightly higher than hydro. 6.2 to 6.6 that product may be at 6.4 to 6.6. Nevertheless buffering peatmoss is a hit and miss proposition even with the manufacturer. Many factors can affect the pH outcome right down to the size and surface structure of the added limestone...

Fill 5 gallon buckets and set them out next to the plants, 25 % is too low. There are swamp coolers out there as well, but they need plumbing.Run fans pointed at the buckets and plants. A few strips of bed sheets will wick water up into the air flow. Check results before taking off.

When I work at a nursery the owner said not to put that stuff in de pot because it made dem all root bound.

Yea man be over in about 6 weeks, I'm getting on my bicycle now.

I looked it up, so SPST timer, funny I always heard 110 in the USA. I need to find one of my multimeter. United States 120/240V 60Hz

Good to know thanks. Went looking for the timer you suggested, but they don't sell them here. If I drove a few hours I might find them. With COVID Amazon adds about a week. I'll need those parts before I want to go further. Thanks Again

Right they sent a 120 cord because they said all the request were for 110 because apparently this is what all the growers in USA are keen to wire their outlets as I have seen here .This seems to be the unspoken universal way in the states, and it likly eliminates another part in the ballast. I...