Water Soluble Fertilizer

Jack's 15-5-15 is a staple in many grower's fertilizer tool box. This is a truly comprehensive fertilizer with all the macro and micro nutrients in one tank. It can be mixed with other fertilizers in the Jack's LX line, which gives this formula alot of flexibility.
It contains 4% calcium and 2% magnesium (making it an ideal choice for water low in those nutrients), 80% nitrate nitrogen, and micronutrients. Ideal for times when growing conditions are less than ideal or a grower is trying to hold plants at a particular stage of growth.
Potentially basic, this formula will cause the pH in the root zone to rise over time, making this formula ideal for water types that are very pure or low in water alkalinity levels.
For use on: All plants

Applied as a foliar spray to safely add calcium to plant tissue.

Applied as a foliar spray to safely add calcium to plant tissue.

An essential "Part B" provides a very soluble and available source of calcium in a two-part nutrient system. Contains very pure and completely available calcium and nitrate nitrogen nutrient sources.

You've always been told to finish strong. This formula is ideally formulated for this purpose to provide your plants with a very low nitrogen, high phosphorus and very high potassium content to keep the whole plant happy to the end of its crop cycle.

The most popular formulation, 20-10-20 Peat-Lite. A traditional 2:1:2 balanced ratio formula with a 60% Nitrate to 40% Ammonical Nitrogen balance. Also will deleiver approximately twice the level of micronutrients as the GP formulation. The additional level of micronutrients provides necessary elements absent from most commercially made peat-lite potting media.
For use on: All greenhouse plants grown in peat-lite mixes.

A water soluble supplement containing the full package of essential micronutrients: Sulfur, Boron, Copper, Iron, Manganese, Molybdenum, Zinc. M.O.S.T is mixable with fertilizers not containing calcium.

Simple yet scientific.
The Plant-Prod MJT line of fertilizers was designed to bring our 70 years of experience to the cannabis growers of today. Plant-Prod by Plantex is excited to provide licensed growers of medical marijuana products that are scientifically optimized, consistent and completely soluble.

Bloom is an essential formulation to cannabis production. This high phosphorous, moderate potassium formulation encourages full bud set and improves bud filling.

20-20-20 Classic is a balanced fertilizer that may be used for general feeding. It is ideal for when a more specific formula is not required.

Jack's 15-16-17 is a nice variation of Geranium Special 15-15-15 with slightly elevated micro nutients. With a ratio similar to 20-20-20 but with over 60% nitrate nitrogen, boosted micronutrient levels, and much less acidic reaction in the root media. The balanced N-P-K ratio is excellent for producing fast-growing plants or for maintaining plants in a sales environment.
For use on: All plants, especially our friend, the geranium. More importantly, a great choice when trying to maintain finished plants in a garden center.

This formula is designed for use by pansy growers wanting an acidic soil reaction and the increased iron, magnesium and boron levels required by pansies. The iron is partially in DTPA form.

This is a water soluble, chelated micronutrient mixture.

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All Purpose High Nitrate is an all season fertilizer with a high potential acidity.

The ideal fertilizer for encouraging overall healthy plant growth, a strong root system, and rapid development of all plants. Its high phosphorus content encourages rapid root generation which eliminates transplant shock when used as a transplanting solution.

Ideal for plugs, liners, bedding plants and vegetable transplants with high nitrate and low phosphate levels to encourage healthy, compact growth. Contains calcium, magnesium and other minor elements.

Jack's Mag Trate is a fantastic formula to add that extra boost of Magnesium to almost any fertility program. Magnesium is such an essential secondary nutrient and plays a pivital role in the molecule of chlorophyll.
Signs of deficiency in the leaves look like overall yellowing in the middle and lower leaves. Using Jack's Mag-Trate as a booster or as part of a regular fertility plan will provide the highest quality most soluble magnesium availbe in water solubles.
This product is formulated with 100% nitrate nitrogen, 9% magnesium, and a full micronutrient package. It can be tank mixed with other Jack's LXTM formulas.
For use on: All plants can benefit from a boost of Magnesium once in a while. Geraniums and tomatoes are just a few examples of plants that are very susceptable to a magnesium deficiency.

Designed specifically for late summer and early fall pansy production. A nitrate / ammonium nitrogen system is more efficient in warmer weather than the traditional high nitrate pansy fertilizer. The result is a potentially acidic product that will lower media pH over time.
For use on: Designed specifically for pansy production in late summer and early fall.

A great choice for plants grown in warm conditions. The 3:1:2 ratio is considered ideal for tropical foliage plant production and is useful in interiorscape applications. Its high potential acidity is helpful in controlling media pH when moderate to high alkalinity irrigation waters are used.
For use on: Tropical foliage production and interiorscape installations

MOST includes a full package of micronutrients required for greenhouse and nursery production. Fully soluble and mixable with fertilizers NOT containing calcium.
A NO Boron mix of soluble trace elements for locations naturally high in boron.

Crops that are sensitive to excess micronutrients thrive with this classic formula with its acidifying action that corrects an overload of growing media pH. Contains a full range of essential micronutrients.

When growing media contains mineral soil, this formula provides acidifying action to help combat excessive pH. Contains a full range of essential micronutrients.

Need a Boost of Flower Power? Our 1:3:2 major nutrient ratio has been trusted by Jack's Professional growers for over 70 years. This soluble and available nutrient combination stimulates blooming, resulting in heavy bud and fruit set.

An improvement on the classic "Part A" formula for general vegetative growing. This redesigned blend is built with purely soluble and available nutrients to allow the grower maximum flexibility. Specific balance of macro, secondary and micronutrients delivers an efficient combination of nutrients suitable for many different growing environments and crop types.

For the Purest in you. This one part nutrient blend is designed for crops grown in very low alkalinity waters such as reverse osmosis (RO) water, rainwater, and distilled water. Formulated utilizing the innovative raw materials to reduce pH crash while delivering all the nutrients essential for vigorous plant growth.

Prefer Tap Water? Allow your plants to drink up this formula designed to provide all the macro, secondary and micro nutrients in a one-part system. Specifically formulated for tap, city or well water types with slightly higher alkalinity & pH. This combination of nutrients will lower pH over time while including the extra soluble calcium, magnesium and the right balance of micronutrients.

SOLUBLE TRACE ELEMENT MIX - Micronutrient liquid supplement containing the ideal balance of essential micronutrients: Sulfur, Boron, Copper, Iron, Manganese, Molybdenum, Zinc. Liquid S.T.E.M. in a convenient, ready-to-mix liquid formulation. Goes from the jug to the tank in one easy step with no solubility issues.

Contains elevated iron and magnesium levels as well as the M-77r chelated micronutrients package specifically designed for petunias and other high iron demanding crops.

This is a high nitrate N and low-phosphate feed that encourages dense, compact, healthy growth in petunias and other flowering crops.

*B (Base) formulation can be used alone or rotated with a C (Customizing) component
*Effective for all Water Types
*Contains a full range of essential micronutrients

Grower Media Nutrient Charge is easy to use. Contains major, secondary and trace elements. Incorporated at 2 lb per cubic yard of medium. Add Uni-Mix, limestone and wetting agent to growing media blend for professional results. 50 lb bag.

A specially developed extra-iron formulation for crops like vegetative petunias that thrive in growing media with a lower pH.

*B (Base) formulation can be used alone or rotated with a C (Customizing) component
*Effective for all Water Types
*Contains extra magnesium plus a full range of essential micronutrients

Like a shot gun start for your new plants - this formula will help promote strong and fast root growth and expansion. Best used for fertilizing young seedlings, transplants, clones and newly set rooted cuttings.

Produce healthy, acid-loving crops with this formula's high potential acidity that offsets high water alkalinity or lowers pH levels in growing media.
*C (Customizing) component can be used with a variety of B (Base) formulations
*Excellent choice for Water Types 3 and 4
*Contains a full range of essential micronutrients plus extra iron to promote greening

Get ready for a serious boost of available phosphorus. The primary goal of this formula is to assist in shutting down the strong vegetative growth stage of the plant and stimulate a switch to the reproductive or flowering phase of plant and flower development.

Useful when transplanting, before bloom initiation or whenever more phosphate is required.

*B (Base) formulation can be used alone or rotated with a C (Customizing) component
*Appropriate for Water Types 2, 3 and 4
*Contains a full range of essential micronutrients

An essential "Part B" provides a very soluble and available source of calcium in a two-part nutrient system. Contains very pure and completely available calcium and nitrate nitrogen nutrient sources.

Classic high-nitrate formula for bulbs or any crop that needs extra calcium and magnesium, lower phosphate and slightly higher growing media pH. Provides a full range of micronutrients.

You've always been told to finish strong. This formula is ideally formulated for this purpose to provide your plants with a very low nitrogen, high phosphorus and very high potassium content to keep the whole plant happy to the end of its crop cycle.

Highly effective stand-alone fertilizer with extra magnesium to maintain deep green foliage.

*B (Base) formulation for constant, balanced nutrition
*Excellent stand-alone for Water Types 3 and 4; use as a base in Water Types 1 and 2
*Contains a complete range of essential micronutrients

This 1-2-4 finisher has been formulated especially for high tunnel tomato production. 30% potassium helps ripen tomatoes and fend off yellow shoulder

Designed to deliver a complete and innovative nutrient balance all from a one bag formula. Formulated specifically for hydroponically grown herbs and lettuce and has been used successfully across many hydro, aqua, and aeroponically grown systems and crops.
Our research has shown that using this fertilizer from day 1, will dramatically increase root production and branching. Time to transplant into hydroponic solution will be 2x's faster than the typical method of a clear water start. Give your plants just the right amount of nutrients from the begining and you will see dramatic results.
For use on: Herbs, all types lettuce, Hydro garden crops

Jack's Dark weather Peat-Lite is an ideal product for growers who want a non-phosphorus, high nitrate product with calcium. The macro nutrient and secondary nutreint levels are very similar to the standard Dark Weather formula, however the biggest benefit you will get when using this formula is the elevated micronutrient levels.
Any prodcut that has the Peat-Lite tag in the name designates that the micronutrient package is elevated to provide a boost of micros when growing in a soilless or "peat-lite" mix.
Alternate with 20-10-20 Peat-Lite or use as a "finisher" for flowering plants like poinsettias. This formula has the Peat-lite micronutrient levels needed for commercially made peat-lite potting media.
For use on: All plants. Especially useful for plants that have a higher Ca requirement like Poinsettias and Tomatoes.

**This product CANNOT ship via UPS/Fedex. Please request another mode of shipping.

Complete is an all-in-one advanced nutritional program containing all 5 macros and high levels of nitrate with no urea. It is effective over a wide pH range. Comes in a duo-bag for easy usage.

Complete, all-in-one Cal-Mag fertilizer. Slightly acidic formulation.
**40 bag minimum