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GEOTEA 250 COMPOST TEA BREWING MACHINEOPERATION MANUALCongratulations! You are about to use the absolute finest Actively Aerated Compost Tea BrewerI can think of. With reasonable care and occasional replacement of synthetic parts, thisGEOTEA Compost Tea Brewer should last well into this millennium.At the heart of the unit is the Sweetwater Regenerative Blower, among the finest in the industry.This well designed air pump is energy-efficient, quiet and reliable. The only maintenancerequired is to wash the inlet air filter as necessary.The stainless steel workmanship is performed by skilled Swiss craftsmen in a small southernWisconsin region known for its handiwork in Old-World cheese-making, dairy and brewingequipment manufacturing expertise.All components are designed and constructed for maximum reliability, durability and ease ofcleanliness, with minimum airflow and water restriction. Great detail was given to calculationsand relationships of blower cfm (cubic feet per minute, the standard measurement of airflow inthe US) specifications, water depth and pressure, tube volume, circulation, aeration and orificeoutput. All factors are balanced for the system to work in a harmonious manner.Thank you for choosing GEOTEA brand products. Please call our toll-free telephone numberwith any questions or comments, 866-266-3474. Or e-mail: [email protected] regards,Bob PosthumaGreater Earth Organics, LLCwww.GreaterEarthOrganics.com

MANUAL*Orientation basics; (so we all speak the same language) Front, as I use it, means valve side oftank (tote), channel side of frame – motor is on right when facing front of frame. Clean meansclean.IMPORTANT!!READ THIS FIRST!! (at least 1 & 2)IMPORTANT ALSO!! Be Careful, Take your time, Pay attention to how you lift things.1) Slide unit out of box.2) Before unclamping anything, take detailed notice of tube arrangement for shipping andstorage mode. Unit will re-assemble only this way. (Valve clearance and lower leftclamp clearance vs. extractor dome.)

This is what the unit is supposed to look like when fully assembled!!3) Remove airtube (the long tube with all the 1/8” holes in it) from upper front of framefirst. Remove extractor dome. Inside the teabag, you will find a spare teabag, 7/16thswrench, spare gaskets and two “J-clamps”. Remove clamps and tubes. It’s kind of like apuzzle.4) Remove the two black rubber clamp cushions from the straight tube. Place clampcushions on aerator yoke (the “U” shaped tube with valve). “Tee” should face back.5) Insert “J-clamps” into the holes at either end of square tube of frame. Put these in beforesetting frame on tote. They will act as guardrails to help stabilize frame on tote duringpositioning. Place frame on tote. Carefully slide to rear third of tote. Tighten “Jclamps” onto tote frame so front edge of frame channel is approx. 1” behind longitudinalcenter of tote frame.

6) Clamp “aerator yoke” on to frame as shown. (it’s easiest to tighten clamp nuts if the nutsface to the outside of aerator yoke) Position on left side of frame so bottom “airtube” iswithin 3 – 6” from left sidewall of tank.7) Attach clear/blue flexible hose to “tee” of “aerator yoke”. Loosen extra hoseclamp andslide to “tee”. Tighten hose clamp with screwdriver or socket.8) Assemble “air support tube” to “airtube”. Ensure proper placement of gasket. Handtighten sanitary clamp. Check tightness of end clamps.

9) Clamp airtube assembly to left side of aerator yoke. Airtube should be oriented evenlyacross side and bottom of tank, approx. 3 – 6” from sidewall and bottom.

EXTRACTOR DOMEThe Teabag clamps onto the Extractor Dome to make the Microbe Liberation Chamber. Use carewhen clamping to ensure that teabag material is spaced properly and has no large bunches orgaps that may allow compost to escape. It is called a Microbe Liberation Chamber because itperforms one of the main goals of compost tea brewing - good extraction of microbes. Goodcompost is actually only about 40% organic matter, the remaining 60% is living, functioningmicroorganisms! Due to GEOTEA’s unique submerged dome design, all eight cubit feet perminute* of air that enters the Microbe Liberation Chamber to jostle and aerate the compost, mustalso leave at the same rate – providing maximum persuasion for the microbes to leave theconfinement of the teabag and enter your tea! Free the microbes!! Heal the Land!! (*if air volumewere measured in gallons, that would equal more than a 55 gallon drum of air per minute!)

GETTING STARTEDNote: This is intended as an overview of the tea- making process. It is not intended to cover allaspects of tea brewing. Please consult us at Greater Earth Organics, LLC, or a SFI (SoilFoodweb, Inc., www.soilfoodwebnewyork.com, the authority in compost and compost teatechnology) Certified Soilfoodweb Advisor or equivalent for specifics such as water quality,temperature, dissolved oxygen levels, recipe variations, etc.1) Ensure that all parts and equipment are clean.2) Fill tank with appropriate water. Ensure water quality before you start. Is it well wateror chlorinated? Chloramine? Flouride? pH? If you are unsure of your water, consultSFI or equivalent for parameters. What about water temperature? Optimum seems to bearound 65 to 72 degrees F. Great tea can be made with cooler water. Brew cycle may belonger. Warmer water will hold less oxygen. Test. Experiment. Monitor. Know youare making great tea. Utilize the technology that quality labs like SFI can provide. Buya dissolved oxygen meter.3) Fill to 250 gallons. Less water may be used. Extractor Dome is most efficient when thetote is filled with enough water to submerge bottom rim of Dome.4) With valve in “open” position (parallel to tube) and camlok cap off, start blower. Thisprocedure helps blower motor ramp up to speed easier, but it will splash a little. If yourather, the valve may be closed during the start-up procedure. When blower attains fullspeed, turn valve to “off” (perpendicular to tube). Note handle lock slide on underside ofvalve handle. Water should aerate vigorously.

MICROBE LIBERATION CHAMBER1) With clamp properly installed in teabag hem, fill teabag 3/4 full with high qualitycompost or blend (12 – 16 lbs., or more accurately, 16 quarts). High quality is critical togood tea. Insist on SFI documentation, or equivalent. For convenience and qualityassurance, I offer very high quality fungal dominated compost in pre-measured 16 quartbags. Please contact my email, [email protected] for more information.2) Make sure bottom of Extractor Dome is properly capped, with well-seated gasket andtoggle clamp. Insert tube into bag to the bottom. Place clamp over bottom rim of Domeand clamp securely. Ensure proper seating of clamp around Dome.

3) With Brewer running, clamp Microbe Liberation Chamber onto male camlok fitting.You should immediately see the water turning brown! This is an indication of greatextraction.

4) Turn valve to “open” position.

5) Add foods as desired.Suggested recipe:500 ml liquid fish hydrolysate750 ml liquid humic acid (TurfPro)16 oz. soluble kelp powder (Acadian)16 oz. brown rice powder, organic.Or , I have pre-measured microbial food packets available; please call.Note: Many people remove teabag 8 – 12 hours after start of brew cycle. We think this is OK,extraction should be complete within this time period. GEOTEA brewers however, provideenough air supply where if you prefer to leave teabag in for entire cycle, that’s OK too. Undermany conditions, tea is “done” in about 24 hours. Temperature of water and air, as well aselevation, recipes, water quality and likely many things as yet unknown may affect cyclematurity. Tea characteristics change as the hours go by. Bacteria, fungi, protozoa and othersexperience population fluctuations as tea matures. Monitor oxygen levels, test tea often. Best tohave a microscope.Note 2: GEOTEA teabags are 40 mesh, which is also 400 microns. Many sprayers are set upwith 50 mesh filters, which mean the filter has openings measuring about 297 microns. Clogpotential. We recommend using large orifice sprayers that won’t clog. If not, filter the tea oradjust sprayer system. (Please see our line of spraying equipment)

6) To remove Microbe Liberation Chamber, turn valve to “off”. Open Camlok Connector,place cap on bottom of Aerator Yoke to prevent contamination.7) Unclamp Teabag. Empty spent compost. Rinse. Wash Teabag if necessary. Unclampand clean all parts of Extractor Dome with gentle dishsoap or similar. Do same with allsubmerged parts at end of brew cycle. If desired, soak small parts and clamps in mildbleach solution to sanitize. Rinse well. Clean tank with mild soap and water with asponge or similar. On occasion, remove blower inlet air filter and “swish” in warm,soapy water per manufacturer’s recommendation. Rinse, dry before use.GUARANTEEThis GEOTEA compost tea brewer (not including tote) is guaranteed against defects in materialsand workmanship for 30 days from date of receipt. Greater Earth Organics, LLC, manufacturerof GEOTEA brewers, does not warrant or imply quality of product manufactured using thisbrewer or advice either given or implied. As agronomic conditions, materials, practices andmethods vary widely, and are beyond the control of Greater Earth Organics, LLC, Greater EarthOrganics, LLC will accept no responsibility whatsoever for any commercial or personal damage,crop loss, or other effect due to the use or misuse of this product. The buyer agrees to acceptthese conditions at the point of sale.

NOTE ON TOTES Totes are available new from many suppliers for around 300, plus shipping. Used totes areusually easy to find somewhat locally, be sure that they can be well cleaned. The tote must looklike new to be good enough for tea making. Below are some photos on modifying the top of thetote to accept the GEOTEA machine. A wide open top is easiest to clean, but tea splashes outmore during the brew cycle. My favorite is the “freeform” shape – it keeps splashing to aminimum and cleaning is fairly easy.WIDE OPEN TOPFREEFORM TOPTop can be cut with a reciprocating saw, jigsaw, RotoZip tool, etc.

Mark 4” from inside rail centered fromfront to back Drill 1.5” hole

At the heart of the unit is the Sweetwater Regenerative Blower, among the finest in the industry. This well designed air pump is energy-efficient, quiet and reliable. The only maintenance required is to wash the inlet air filter as necessary. The stainless steel workmanship is performed by skilled Swiss craftsmen in a small southern