Category Archives: Fermentation

Reader Tip: Dual Scale Refractometer w/Corrected Scale… $20.09… Shipped

Thanks to HBF Reader James for this tip!  There are 8 Ways to Connect with HBF

The RSG-100ATC refractometer reads in both Brix and Gravity.  This refractometer features a corrected scale and ATC (automatic temperature compensation).

What is a corrected scale?  Read on.

Gravity to Brix Accuracy
Typical dual scale refractometers use a linear 4 x gravity to Brix conversion.  That’s fine and dandy up until around 1.049.  At that point this linear scale starts to become inaccurate.  Brix 11 does equal 1.044, but Brix 12 does not equal 1.048.  It is 1.049.  It’s only 1 point off here, but up at Brix 24, it’s up to 5 points off.  Brix 24 equals 1.101 not 1.096.

All this to say that this model of refractometer uses a more accurate, non-linear gravity to Brix scale.

From the manufacturer: “This is the only inexpensive Wort SG to be corrected. The only other corrected refrafractometers in existence are the BREWfractometer and the BREWfractometer Extreme.”

Refractometers can be used to measure gravity throughout the brewing process.  You can also estimate the alcohol content of your beer if you forget to take an OG with the use of a refractometer and a hydrometer.

  • Grab this Refractometer & measure your pre-fermented Wort in seconds with just DROPS of wort
  • Dual Scale Refractometer: 0-32% Brix & 1.000-1.130 Wort Specific Gravity
  • Scale Resolution: 0.2% Brix and 0.001 Wort Specific Gravity
  • Accuracy: +/-0.2% Brix and +/-0.001 Wort Specific Gravity
  • Comes with Automatic Temperature Compensation from 10-30’C(50-86’F)

5/23/15 3:15 PM Central: This highly rated refractometer has dropped to $15.10.  Shipping is $4.99.  Check the product page for up to the minute price and availability.

Magnum Media DUAL SCALE 0-32% Brix and 1.000-1.130SG Wort Refractometer RSG-100ATC Beer Home Brew

Related:

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I recently picked up these transfer pippettes.  They are a whopping 300 mm/11.8″ Long.  After using these for one beer, I can tell you that they are long enough to grab a refractometer sample from a 5 gallon batch in a Speidel 7.9 Gallon Fermenter.

Globe Scientific 139050 LDPE Extra Long Transfer Pipet, Non-Sterile, 300mm Length, 23.0mL Capacity (Box of 100)

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Recent Amazon Finds:

Hanna Magnetic Professional Quality Stir Plate – $84.99 Shipped

Product Description – Here  Use coupon code BEERDEAL to get this discount

Professional Quality Stir Plate from Hanna Instruments.  Yeast count dramatically increases in a stir plate starter vs a non-stir plate starter.  The constant motion incorporates air, keeps yeast in contact with nutrients and expels CO2 for solution.  This all leads to higher yeast counts

Hanna Magnetic Stir Plate Y700 – $99 $84.99 + Free Shipping

Availability: This is a More Beer Deal of the Day.  Quantities are limited. Check the Deal of the Day section – Here – to see if this is still available.

Also Consider: All Sale and Clearance Items

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Ranco Two Stage, Wired Temp Controller – $129.99 Shipped – Save $30

Ranco Digital Two-Stage Temperature Controller - Wired

Product Description – Here – Use coupon code BEERDEAL to get this discount.

Pre-Wired, Dual Stage, Digital Temperature Controller.  Use for controller temperature in your kegerator or fermentation chamber.

Description: Now you can easily control two different temperature regulating devices. This all new, two-stage controller comes pre-wired with dual AC outlets. One outlet is controlled by one relay, the other by a second relay. The most common application is to use one stage to heat and the other to cool. This means you can simultaneously control a heater and a cooling device, never having to manually switch between heating and cooling modes.” (visit the product page to check out a video about this controller)

Ranco Digital Two-Stage Temperature Controller Wired FE608 – $129.99 + Free Shipping

Availability: This is a More Beer Deal of the Day. Quantities are limited. Check the Deal of the Day section Here to see if this is still available.

 

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120mm 3 Speed Fan – Stir Plates and Kegerator Circulation – $6.04

TriCool 120mm Cooling Fan with 3-Speed Switch from Antec

Possible uses include… putting together a DIY Stir Plate and using this for a recirculating fan in your kegerator – See: Kegerator Beer Line Temperatures & Reducing Foam with a Recirculating Fan  The three speed switch may come in handy for a DIY stir plate build.  Depending on your setup, it could possibly negate the need for a speed/control potentiometer in a stir plate build.

I’ve been told that the three position speed switch works for a stir plate on a smaller model from Antec…. from HBF Reader Dave : “Have used this for a stir plate setup… totally don’t need a potentiometer (speed controller) – just use the high-med-low.”

5/21/15 10:14 PM Central: This is selling for $6.04.  Shipping is free with Prime or a qualifying $35 order.  Check the product page for up to the minute price and availability.

Antec TriCool 120mm Cooling Fan with 3-Speed Switch

Also Consider: Antec TriCool 92mm Cooling Fan with 3-Speed Switch

Related: 3D Printed Stir Plate Magnet Mounting-Thingy

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Recent Amazon Finds:

Reader Tip: Igloo 5.1 Deep Freezer, Kegerator or Fermentation – $149.99

Thanks to HBF Reader Kevin for this tip!  There are 8 Ways to Connect with HBF

Igloo - 7.1 Cu. Ft. Chest Freezer - White Model: FRF710

Best Buy has two Igloo Deep Freezes on sale.  You could use either of these to put together a freezer based kegerator/keezer or temperature controlled fermentation chamber.

Both are… Energy Star Rated.  Include a Vinyl Coated Wire Basket.  Have a Temp Control Dial usually set as cold as possible + use an external temp controller (see below for models).  Defrost drain – easy to clean.

The 7.1 Cu Ft Size normally sells for $249.99, it’s no sale for $169.99.  The 5.1 Cu Ft Size normally sells for $219.99.  It’s on sale for $149.99.  Pick up at your local Best Buy is free.  Free delivery with appliance order of $399 or up.  No coupon or promo code is needed.  Sale prices should be reflected on each product page.

Also worth noting… As of this posting, these are getting good ratings/reviews.  The 5.1 is averaging 4.6/5 with 277 reviews and the 7.1 is averaging 4.5/5 with 170 reviews.

Also… since these are Energy Star Certified models… check with your local utility.  You may qualify for a rebate.

Igloo 7.1 Cu Ft Chest Freezer Model FRF710$249.99 $169.99

Igloo 5.1 Cu Ft Chest Freezer Model FRF520$219.99 $149.99

Also Consider: Inkbird 110V All-Purpose Digital Temperature Controller Fahrenheit & Centigrade Thermostat + 2 Relays Sensor

Tips and Gear for Your Kegerator:

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1″ x 5/16″ Stir Bar… $3.61 Shipped

SEOH Magnetic Stir Bar Octahedral 1 x 5/16 new

1″ by 5/16″ Stir Bar by SEOH.  Encapsulated in FDA approved PTFE with Alnico V Magnet Core.

Use with your stir plate and erlenmeyer flask to make yeast starters.  Yeast count dramatically increases in a stir plate starter vs a non-stir plate starter.  The constant motion incorporates air, keeps yeast in contact with nutrients and expels CO2 for solution.  This all leads to higher yeast counts.

5/21/15 8:42 AM Central: These are selling for just $3.61 with free shipping.  Check the product page for up to the minute price and availability.

SEOH Magnetic Stir Bar Octahedral 1 x 5/16 new

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Also Consider:

14 Gallon Stainless Conical – $795 Shipped, Save… $200

14 Gallon MoreBeer Conical Fermenter

Product Description – Here  Use coupon code BEERDEAL to get this discount.

Availability: This is a More Beer Deal of the Day.  Quantities are limited. Check the Deal of the Day section – Here – to see if this is still available.

Features:

  • 304 Stainless Steel
  • Commercial-quality gasket made from durable, food-grade silicone
  • Low profile stand design
  • 1.5 inch butterfly valve
  • Threadless racking arm with position indicator
  • Professional sanitary sample and transfer valve
  • Cone removes from stand for easy cleaning
  • Domed lid with 3 inch clover fitting at the top
  • Sturdy lid clamp allowing for 5 PSI of pressure (with addition of CO2 Adapter package)
  • Includes stopper and airlock
  • Ability to add options, like leg extensions, wheels, blow off, and more! (keep reading)

14 Gallon Conical Fermenter CON112 – $795 + Free Shipping

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