Best turbidity meters for labs according to redditors

We found 12 Reddit comments discussing the best turbidity meters for labs. We ranked the 6 resulting products by number of redditors who mentioned them. Here are the top 20.

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Top Reddit comments about Lab Turbidity Meters:

u/johnnychronicseed · 4 pointsr/microgrowery

Id rather use hard water than soft water. Too much salt buildup kills plants.

Take a sample to your local fish store if possible (Or purchase a PPM/PH meter) to find out your PPM and PH.

Anything above 300ppm gets a little sketchy and you will want an RO system.

PH can be altered but anything over a PH of 9 you will be using a ton of PH down.

If your PH and PPM are both below what I stated above I would still recommend something like a Small Boy filter for Chlorine/Chloramine and undissolved particles.

u/TAfzFlpE7aDk97xLIGfs · 2 pointsr/aerogarden

You’ll need a TDS meter that has a temperature autocorrect feature. You just stick in the water and swirl it around a bit. It’ll tell you how many dissolved solids are in your water measured in parts per million (ppm).

You can measure your water source directly to get an idea of TDS levels in your water before nutrients.

Standard AeroGarden nutes would measure about 650-675 ppm for a full dose (third feeding and beyond). That’s around the target you’re looking for with whatever nutrients you choose to use. You can go higher or lower depending on what you’re growing, the maturity of your plants and the size of your tank. But until you get a feel for it I’d try to get a TDS measurement around 650ppm. A variance of +/- 50ppm is probably okay.

Edit

Here’s the TDS meter I use. It works just fine.

https://www.amazon.com/dp/B07DWP6TGQ?ref=yo_pop_ma_swf

u/chils · 1 pointr/Homebrewing

Hanna pHep 98107. $40 on amazon. It's been great for 3 years but is beginning to take longer to settle on a reading. It has stayed within .1 calibration over the 3 years I've had it. I've probably had to adjust the calibration only ~ 1 of every 15 brews for 3 years.
http://www.amazon.com/Hanna-Instruments-98107-Tester-Accuracy/dp/B002NX0VY2/ref=sr_1_1?ie=UTF8&qid=1395660825&sr=8-1&keywords=hanna+98107

u/sufferingcubsfan · 1 pointr/Homebrewing

I cannot recommend the Omega PHH-7011 enough, but it is $99. It does come with all of your solutions, a carrying case, etc. You can only buy it directly from Omega.

In my holiday gift guide, I recommended the Hanna 98107 as a budget alternative ($40).

u/Shokan-Hypothermia · 1 pointr/cannabiscultivation

1- Your coco soil is considered hydroponic for ph need. 5.5 to 6.5. Your supersoil is considered soil for ph need around 6 to 7. By mixing both you are causing problems in my opinion. I would do one or the other

2- Best way to be on point with nutes strengh is to get a PPM/EC pen , start low and work your way up until you notice nute burn. At this point you use a bit lower strengh solution

3- If you use coco/perlite make sure to water until runoff of each watering and mesure then strenght of the runoff. If runoff = more than +300 EC your feeding water that mean you begin to have a salt buildup in your coco/perlite. exemple : you feed with 800 EC water and your runoff is 1500EC ... that mean you add 700 EC of salt still in the medium unconsummed and building up.

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this site is awesome !

u/treefarmercharlie · 1 pointr/microgrowery
u/pinosaur · 1 pointr/Cichlid

I'd leave off the Cichlid Trace, because it is an all in one application that is raising both KH and GH.
the home version is :
1 tsp salt, 1 tsp baking soda, and 1 tbsp epsom salts in each 5 gallons of treated tapwater going in to the tank. The tanks in my profile get treated this way.

For your situation, I would try the home version next water change, BUT without the Epsom. ( the epsom salts just raise GH, you got enough already )

FWIW: 1 tablespoon of epsom salts per 5 gallons takes my tap water from 161 ppm to 241 ppm. (from 9 drops to 12-13) A digital tester is pretty cheap fyi. I got one of these For $12, you pull off the cap, fill from the tank, and put it back together and look at the display. (I also have a 'drops' kit'. The meter I got seems accurate.)

u/SmilingFrogBrewing · 0 pointsr/Homebrewing

If you are thinking about using RO water or distilled water, invest in a TDS Meter. The cheap ones are not all that accurate (as far as the TDS number goes), but they will definitely tell you if you have RO/distilled water and/or if your filters need changing.