Botanicare Hydroguard – Quart

What it is

Hydroguard is a liquid bacterial root inoculant. Botanicare positions it as a bacterial root inoculant designed to decompose organic matter and may convert it to nutrients that can be absorbed directly by plants’ roots. Its active organism is an isolated strain of Bacillus amyloliquefaciens, supplied as a liquid concentrate you dilute into the reservoir and add with every watering.

Guaranteed analysis and specifications

Why choose Botanicare Hydroguard

• A named, single-organism inoculant. You know exactly what is in the bottle — an isolated strain of Bacillus amyloliquefaciens at a published guaranteed analysis of 0.038% and a stated minimum of 1.00×10^4 colony-forming units per millilitre.
• What Botanicare says it does. The maker states its beneficial bacteria rapidly colonize the root zone, and positions the product as one that may break down nutrients and make them readily available for the plant, so roots take up nutrients more easily as needed. These are Botanicare’s own positioning claims, not an independent test result.
• It won’t disturb your feed. Because it is a microbial product with no N-P-K, it adds negligible strength to your solution and will not meaningfully move your EC — so it runs alongside your base nutrients rather than changing the recipe.
• One simple rate for the whole cycle. There is no phase schedule to juggle: 2 mL per gallon, with every watering, the same in veg and bloom.
• Built for reservoir-fed growing. Its organism has been applied as a reservoir biofertilizer across deep-water and nutrient-film (NFT) hydroponic systems, and works at the root zone in soilless culture, which is exactly how you dose a liquid concentrate into a common reservoir.
• A living culture with a known mode. Root inoculants built on Bacillus bacteria — including Bacillus amyloliquefaciens and the closely related Bacillus subtilis, which colonize the root zone and suppress plant pathogens largely by producing lipopeptides (surfactin, iturin, and fengycin) and forming biofilms on the root surface — are well described in the horticultural literature, so you can understand the organism class independently of any marketing.

Best uses for Hydroguard

• Recirculating hydroponics (DWC and NFT). Bacillus amyloliquefaciens has been used across deep-water and nutrient-film (NFT) hydroponic systems, at the root zone, so it suits reservoir-fed recirculating setups run off a common tank.
• Drip and run-to-waste off a reservoir. Because Botanicare directs dosing with every watering during the entire growth cycle, it fits drip and hand-watered programs fed from the same nutrient solution.
• Soilless root zones (coco and peat mixes). The organism works at the root zone in soilless culture, so it is not limited to bare-root hydro.
• Alongside a full feed program. With no N-P-K of its own, it layers onto your existing base nutrients and additives without changing their strength.
• Warm reservoirs you are trying to keep in check. Root-zone Pythium turns aggressive above 77 F, so a reservoir supplement is most relevant when you are already working to hold temperatures down (see the operating range below).

How a Bacillus root inoculant works

Root inoculants built on Bacillus bacteria — including Bacillus amyloliquefaciens and the closely related Bacillus subtilis, which colonize the root zone and suppress plant pathogens largely by producing lipopeptides (surfactin, iturin, and fengycin) and forming biofilms on the root surface. That is a different mechanism from what the maker itself claims (breaking down organic matter), so this section describes the organism class generally, from the horticultural literature, not a Botanicare performance claim.

How it compares to other root inoculants

Root inoculants come in different organism classes. This table is factual — it does not claim any one out-performs another; which suits your program is a grower’s judgement.

Compatibility and operating range

Botanicare does not publish a product-specific pH window, temperature range, or storage instructions for Hydroguard, so the ranges below are clearly-labelled general horticultural guidance from university-extension and peer-reviewed sources — useful context for running a living inoculant, not a Botanicare specification.

• Systems: deep-water and nutrient-film (NFT) hydroponics, and soilless root zones — any setup dosed from a common reservoir.
• Solution pH: hydroponic nutrient solutions are typically held at pH 5.5 to 7.0.
• Reservoir temperature: keep it on the cool side, because root-zone Pythium turns aggressive above 77 F.
• Water source and dechlorination: chlorine and chloramine in municipal water are harmful to beneficial bacteria and should be removed by off-gassing or a dechlorinator (for chloramine, sodium thiosulfate or ascorbic acid / vitamin C) before you add a live culture.
• Sanitizer incompatibility: do not run the live culture alongside a reservoir chlorine sterilizer — the same chlorine that must be removed before use will work against the bacteria if it is dosed continuously.
• Tank-mix and feed strength: it carries no N-P-K, so it does not add nutrient salts to a tank mix or push your EC up.
• Storage: as a living culture, keep it cool and out of direct sunlight (a refrigerator is ideal; do not freeze), since heat and sunlight kill the bacteria, and use it before the expiration date.

Dosing and how to use it

Botanicare specifies a single rate for the entire growth cycle — 2 mL per gallon, added with every watering, the same in veg and bloom. There is no separate veg or bloom rate to mix. A simple order of operations:

1. Start with dechlorinated water — off-gas it or use a dechlorinator, because chlorine and chloramine harm the beneficial bacteria.
2. Add and mix your base nutrients first; always allow the nutrient solution to mix well before adjusting pH.
3. Shake the bottle, then add Hydroguard at 2 mL per gallon, and never mix concentrates.
4. Dose it with every watering during the entire growth cycle.
5. Keep the reservoir cool (root-zone Pythium is aggressive above 77 F), and store the bottle cool and out of direct sunlight, never frozen.

Where it fits

For other options in this part of the catalogue, browse the roots additives category. General store policies are described on the about page. As a biological additive, what it does in your system depends on your routine and conditions.