Labels:text | black and white | newspaper | screenshot OCR: pH and Water Hardness For the serious brewer who mashes his or her own malt, knowing the pH is crit- ical for maximum mash efficency, as starch converting enzymes prefer a mash pli of 5.0 to 5.5. To lower a mash that is too alkaline (over 5.5), add gyp- sum, to raise an overly acidic mash <pH less than 5.0), add small amounts of cal- cium carbonate. A meter is inherently more accurate than pH test strips, as the color of the mash does not interfere with the reading when using a meter. pH TEST STRIPS For testing the pH of a mash. pH range 4,5 to 7.5. with 0.5 pH unit accuracy. 30' roll for 200 tests. TO1 $4.90 MICRO FINE pH TEST STRIPS Pro- vide an accuracy of 0.S pH units. To use. dip in mash and compare im- mediately with included color chart. 15' roll for 100 tests. T12 $9.90 A. PH METER A precision handheld electronic ph meter with an accuracy of 0.2 pH units. The great advantage of a PH meter is the digital readout, which is B. 0-220' F. DIAL THERMOMETER F. FLOATING THERMOMETER Our more consistent than matching a pH An accurate and quick reading ther- fully-submersible floating thermometer strip to a color chart, particularly when mometer, featuring a 5" stainless steel has a large, readable scale enclosed in a mashing darker beers whosc color may probe szem and 2' calibrations. Fea- glass tube, with an exposed mercury distert the color of pH paper. Our DEI tures a calibration nut so you can reset bulb for fast response. Made by hand in Meter crust be calibrated in pH Calibra. the thermometer for maxium accuracy the U.S ., our Floating Thermometer is tion Solution (not included, order sepa at a given temperature. T15 $12.00 the highest quality instrument of its type rately below) for .2 pH unit accuracy we've found. Ideal for use in mashing. with a small screwdriver before use. 0-220 degree F. scale. 12" Long. Good for 1,000 tests or more before C. 30-125' DIAL THERMOMETER The ultimate beer tasting thermometer. TO5 $14.90 needing electrode replacement. Batter- Use for quick reading of beer serving ies included. Order required Calibration temperature, and also works well for Solution below. T14 $97.90 monitoring fermentation and aging ter- PH CALIBRATION SOLUTION Re- peratures. Features 1' F. calibrations, a calibration nut, and 5" stainless steel GLASS WORT SAMPLERS Our easily quired for precisely setting our pH stem. T16 $16.90 sanitized Glass Wort Samplers make it meter, and helpful when checking the casy to take samples of wort from the accuracy of pH test strips. 250 ml bottle D. 30-125' ECONOMY DIAL Exact fermenter. Just dip the smaller end in PH 4.01. T17 $6.90 same features as our T16 above, though the worl, press your finger over the T20 $8.90 other end, and empty the sample in a PH METER STORAGE SOLUTION not as precisely built. hydrometer jar or glass. Now available For longer electrode life, store your E. CALIBRATION THERMOMETER in two sizes; the small Wort Sampler is electrode immersed in Storage Solution (H1]70300) instead of tap water. 250 ml Laboratory etched glass thermometer ideal for filling a small tasting glass, and conforms to ASTM (American Society will fill our Hydrometer Jar (at left) with bottle. T21 $6.90 For Testing & Materials) standards for 4 dips, while the Large Wort Sampler accuracy. Reads from 30' to 180' F. in will fill our Hydrometer Jar with 1 or 2 WATER HARDNESS TEST STRIP 12' calibrations with an accuracy of Ve dips, and is large enough to take a samn. Measures total water hardness. The over the entire scalc. [deal for use in ple from a half full 5 gallon carboy. color chart on the wrapper indicates 0, calibrating your other thermometers. 25,50,120, and 250 parts per million total This is a full immersion thermometer; G. Small Wort Sampler 11' long, 58' hardness. Water hardness can be ad- for the ultimate accuracy when checking :liameter. TO6 85.25 justed upwards with our food-grade gyp- fluids, immerse to 12' below the read- suth on page 34. Sold individually. T22 $1.10 ing area. 15 14" long, mercury filled. H. Large Wort Sampler 17" long, I' T55 $25.00 diameter. T52 $10.25 17
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