TruBone+ (6-20-0) Hydroponic Nutrient Fertilizer Liquid Concentrate - 32 oz By Safer® Brand

Model #: N232

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  • A liquid plant nutrient formulated to support lush vegetative growth and abundant flowering and fruiting.
  • Made from fermented corn extracts and bone meal to deliver a blast of immediately available nutrients.
  • Easy to use for soil-based and hydroponic growing systems.
  • Handy concentrate is ideal for big and small gardens.
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Safer® Brand TruBone+ (6-20-0) Hydroponic Liquid Fertilizer Concentrate 32 oz SKU# N232

With Safer® Brand TruBone+ Liquid Fertilizer Concentrate, your plants will be treated to a solution of fermented corn extracts and steamed bone meal. This concentration delivers an easily absorbed form of phosphorous and nitrogen to help your flowers, fruits, vegetables, herbs, medicinals, berries and potted plants.






Amino acids




All plants

Uses for Trubone+

This liquid fertilizer perfectly supplements hydroponic and soil-based garden operations and guides plants through their vegetative growth stage and into bloom. TruBone+ from Safer® Brand can be used inside or out, in the home or in the garden. Add TruBone+ to any plants that have a high demand for phosphorous and a touch of nitrogen.

What's in Trubone+?

TruBone+ uses extracts from fermented corn and steamed bone meal to deliver a beneficial mix of nutrients to your plants. The bone meal extract is loaded with phosphorus and nitrogen, key nutrients used to strengthen developing plants. The corn adds valuable amino acids, an easily absorbed protein, to build a healthy cellular structures, leaves and flowers.

Tips for Use

TruBone+ is best used in addition to base-level fertilizers. To get the most benefit from TruBone+ from Safer® Brand, follow these procedures:

  • Follow the feeding schedule for TruBone+ and any other fertilizer you're adding to maximize the delivery of nutrients to your plants.
  • Watch for signs of stress from your plants and pull back on TruBone+ dosage as needed.
  • Adjust your nutrient solution to maintain a pH from 5.5 and 6.5. Also be aware that water quality and even the season can affect pH levels.
  • Use a conductivity or PPM meter to monitor nutrient strength and water quality on a regular basis. If any imbalances are detected, take steps to resolve.

Trubone+ for Hydroponics

Safer® Brand TruBone+ is designed for use with hydroponic operations. Depending on your plant stage, mix 6 ml to 15 ml of TruBone+ with every gallon of water in your reservoir. Use 6 ml to 8 ml for vegetative stages. The transitional period to blooming stage gets a slight boost, from 6 ml to 9 ml. To help with full blooms and ripening, increase the dosage to 13 ml to 15 ml per gallon.

Replace your reservoir's nutrient mix every 3 days in early flower and then every other day through mid- to late-flower.

Trubone+ for Garden Plants

For soil-based plants, follow the same dosage guidelines as mentioned in the hydroponic section above, except that you will mix into your watering system and feed on a daily basis.

Safer® Brand Feeding Schedules

Our goal is to provide you with products and knowledge to make growing fun, easy, and ultimately successful. The feeding charts and information on this page will guide you through proper nutrient applications for each critical stage of plant growth from seedling to vegetative to bloom and harvest. If you have any questions or concerns, reach out to us on social media or at 1-855-7-ORGANIC. Thank you for supporting Safer® Brand!


Safer® Brand Recommended Feeding Schedule

Awaken 5-10ml 1-2ml      
Accelerate   15-20ml 20-25ml    
Amplify     3-4ml 12-16ml 18-22ml
TruBone+   2-4ml 2-3ml 3-4ml 5-6ml
TruAmino+     3-4ml 6-7ml  
TOTAL PPM 145-290 453-726 688-913 743-883 1015-1232
NPK Low 3-1-5 4-2-2 5-1-2 5-3-5 3-4-6
NPK High 3-1-5 4-3-2 5-1.5-2 5-3-5 3-4-6

If you are not following our recommended feeding schedule, the average dilution for each product is as follows:

Awaken 3-4ml
Accelerate 12-14ml
Amplify 7-15ml
TruBone+ 6-15ml
TruAmino+ .2-1tsp

General Feeding Information

For Best Results:

  • Use conductivity or PPM meter to monitor water quality and control nutrient strength.
  • Drain, discard and replace nutrients every week to prevent nutrient imbalance.
  • Maintain nutrient pH between 5.5-6.5. Adjustment may be necessary since water quality and pH vary both regionally and seasonally.
  • Reduce nutrient strength if plants show signs of stress.

U.S. to Metric Conversions:

Teaspoon 5 ml
Tablespoon 15 ml
Fl. Oz. 15 ml
Quart 946 ml
U.S. Gallon 3.785 L

The Next Step

Once your plants have stabilized and are growing well, look to Safer® Brand to help your plants advance to the next stage in the growth cycle. Other hydro-friendly fertilizers include Accelerate (vegetative), Amplify (blooming), TruBone+ (vegetative and blooming), and TruAmino+ (blooming).

Safer® Brand leads the alternative lawn and garden products industry, offering many solutions that are compliant with organic gardening standards. Safer® Brand recognizes this growing demand by consumers and offers a wide variety of products for lawns, gardens, landscapes, flowers, houseplants, insects and more!


Safer® Brand TruBone+ N232 (6-20-0) Hydroponic Liquid Fertilizer Concentrate - 32 oz - Specs

Product Features:

  • A liquid plant nutrient formulated to support lush vegetative growth and abundant flowering and fruiting.
  • Made from fermented corn extracts and bone meal to deliver a blast of immediately available nutrients.
  • Easy to use for soil-based and hydroponic growing systems.
  • Handy concentrate is ideal for big and small gardens.

What's in the Box:

  • 32 oz liquid concentrate


  • Dimensions - 3.13 in x 3.13 in x 9.25 in
  • Weight - 3.2 lb
  • Ingredients - Fermented Corn Extracts, Bone Meal
Safer Brand Suggested Feeding Schedule
Stage Cuttings &
General Purpose/
Early Veg
to Bloom
Awaken 3-4 ml/gal        
Accelerate   12 ml/gal 14 ml/gal    
Amplify       7 ml/gal 11-15 ml/gal
TruAmino+       ¾ tsp/gal ¼-1 tsp/gal
TruBone+   6-8 ml/gal 6-8 ml/gal 6-9 ml/gal 13-15 ml/gal

Disclaimer: Safer® Brand does not endorse any information contained in product reviews. Please follow all label instructions for your specific use.

Most Recent Customer Reviews

Review Rate
Review posted on
November 15, 2016
Works Great By Sharonpro
My indoor tomatoes turned out great thanks to tru -bone and the rest of the safer brand liquid nutrients and additives for Hydroponics, Keep up the great work guys.
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