Here are some Refractometers I suggest. If you are having a problem picking one.. email me and I will help you.

andy lopez

Invisible Gardener

Local Malibu and Area Services
Natural/Organic Whole Property
Nutritional Spraying Services
Natural Lawn Spraying
Natural Rose Care
Natural/Organic Arborist
Water Management
Natural Pest Control
Ants, Long Term Gopher Control
Natural Disease Control
Organic Vegetable Production
Organic Fruit Production
Misting System for Humans and Animals
Indoor Growing systems using LED lights for all your
houseplants, orchids, etc.
Housecalls Available

call for a free  estimate or a paid consultation

call 310-457-4438
Invisible Gardener Andy Lopez