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is it that you should have either a vacuum buchner filter or a separation funnel, or should you have both? buchner is better though, right? is this the kind of ph meter to use? it goes up to 14... all i need is up to 13.5 right??> http://item.express.ebay.com/_Lab-Supplies_Lab-Equipment_HANNA-HI99104-Pocket-pH-Tester-Meter-Checker-HI-99104_W0QQitemZ280123459836QQihZ018QQptdnZLabQ20EquipmentQQadnZLabQ20SuppliesQQptdiZ813QQadiZ1452QQcmdZExpressItem

[QUOTE="CoyoteMRain, post: 3207155, member: 214"] is it that you should have either a vacuum buchner filter or a separation funnel, or should you have both? buchner is better though, right? is this the kind of ph meter to use? it goes up to 14... all i need is up to 13.5 right??> [URL]http://item.express.ebay.com/_Lab-Supplies_Lab-Equipment_HANNA-HI99104-Pocket-pH-Tester-Meter-Checker-HI-99104_W0QQitemZ280123459836QQihZ018QQptdnZLabQ20EquipmentQQadnZLabQ20SuppliesQQptdiZ813QQadiZ1452QQcmdZExpressItem[/URL] [/QUOTE]