1. Purchase or make a holding tank that can hold as much water as the GARN unit being serviced. Cover the holding tank with a sheet of 6 mil plastic to minimize debris, dirt, and animals from entering: • Above ground pools are a good way to do this: the Intex 15' x 36" Easy Set Above Ground Inflatable Swimming Pool has a 2800 gallon capacity and is available at large retailers like Wal-Mart ($139): Above Ground Pool
relatively inexpensively ($129): Utility Transfer Pump (1500 GPH)
3. Use a garden hose or other hose and siphon water from the GARN tank to a holding tank. Make sure the hose is clean before beginning siphoning. 4. When siphoning, DO NOT disturb the sludge or debris on the bottom of the tank or on top of tubing. Focus on siphoning only the clean water out of the tank. A port on the GARN unit can also be used, in addition to a siphon hose, to help the draining process. Keeping in mind that the goal is to not disturb and transfer the sludge to the holding tank, only the clean, chemically treated water. 5. The transfer pump may be needed to remove the last bit of clean water. 6. After most of the tank’s clean water is removed, stop the siphoning/water transfer process. DO NOT SWIM IN THIS WATER! 7. It is now time to clean the sludge and debris off the bottom of the tank. 8. Begin removing the sludge and debris from the GARN unit and transfer it to a drain or onto the ground (NOT into the holding tank). Flush and rinse the tubing and bottom of the GARN tank with clean fill water. 9. Use a wet/dry vac to remove sludge on the bottom of the tank that can’t easily be drained out. Empty the contents on the ground. The boiler chemicals are biodegradable and will not harm lawns or vegetation. 10.After the tank is adequately cleaned, refill the unit with the water from the holding tank. A water transfer pump is needed for this refilling process. 11. Top off with clean fill water. 12.Take a water sample and send it in for testing to ensure chemistry is at the proper level.
• If access to hay bales is easy, then a thick poly sheet and bales make a simple pool: With 16 inch high bales, each square foot of area provides about 10 gallons of storage. So for a GARN WHS-2000, roughly a 15 ft x 15 ft (225 sqft) x 16 in deep pool gives 2,244 gallons of storage.
2. Purchase or obtain a water transfer pump. The pump will be needed to finish transferring clean water from the GARN tank to the holding tank. It will also be needed to refill the GARN unit after the cleaning process. • An electrical water transfer/utility pump such as can be purchased
GARN WHS 1000 and WHS 2000 Manual © HY-C Company LLC - September 2024
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