| Proportioners, Fertilizer | Comments |
|---|---|
| PROPORTIONERS, FERTILIZER: A Do-it-yourself Model The assembly instructions, equipment needed, technical data required and a drawing, refer to OR77-6 | 0 |
| PROPORTIONERS, FERTILIZER: Home Made Deemed perfect for the maker's requirements, it cost only $10; it operates at a ratio of one to one hundred on a constant basis, has no moving parts, no gravity feed required; list of materials needed; a diagram; refer to NZ85-110 | 0 |
| PROPORTIONERS, FERTILIZER: Hose Attachment Types To get reliable service from them the hose should be relatively short, the nozzle opening should be large, the water-pressure above the device should be four times that of the muzzle or nozzle; either use no nozzle or use the open water-breaker type. A65-336 | 0 |
| PROPORTIONERS, FERTILIZER: Many Hose Attachments Are Available Hozon or Syphonex are the least expensive, and operate on the Venturi tube principle and are designed to proportion one fertilizer to 16 water; they are variable in production; other types mentioned and rated; Merit Proportioner with a fixed ratio of 1:128 is an accurate type, however orchid plants tolerate inaccuracies. A69-774; C71-69+; ODA69-10+ | 0 |
| PROPORTIONERS, FERTILIZER: The Syphonex Type It is installed on the tap in front of the hose connection; it works well at a low-flow rate of water but the rate can vary from one to 12 to one to 20, depending on the resistance created by the length of hose and the strength of the water pressure; the manufacturer recommends full tap flow and attaching the unit at the spray, or flow outlet, end. OD73-57 | 0 |
| PROPORTIONERS, FERTILIZER: To Achieve Relative Accuracy by Means of Cheap Instrumentation Make your own economical flowmaster with materials purchased from a tropical fish store; refer to OD73-57 | 0 |