A lettuce tower that stalls, basil that pales under a shelf light, or tomatoes that drink unevenly do not need more random bottles. They need a setup that matches the root zone, water, and space you are actually running. When you shop Colorado online grow store supplies, start with the plant’s growing system, then buy the pieces that support it.
The practical answer is to build in order: choose the medium, choose the base feed, measure the water, then add light, irrigation, and plant-care tools where your setup calls for them. B Dubb Grows LLC is run by a working grower, so the catalog is built around that order rather than a pile of products that all claim to do the same job.
Shop Colorado Online Grow Store Supplies by System
Before selecting nutrients, identify where the roots live. Soil, coco, and recirculating hydroponics each hold water and nutrients differently. A good nutrient program starts with a base feed designed for that medium. Trying to force one formula into every setup usually creates more work at mixing time and makes plant response harder to read.
For a potted pothos, monstera, pepper plant, or container tomato in soil, use Bionova Soil Supermix as the base nutrient. It is the starting point for a soil root zone, not a supplement to stack on top of several other base feeds. Mix it into water according to the current label directions, apply it to already-moist soil, and watch how the plant responds across new growth rather than judging the oldest leaves.
For coco coir, use Bionova Coco Forte A+B. Coco does not behave like soil. It drains quickly, carries less nutrition on its own, and rewards regular, controlled irrigation. The two-part format lets you keep the ingredients stable until mixing. Add Part A to water first, mix thoroughly, then add Part B. Do not combine the concentrates together before dilution.
For a hydroponic reservoir, deep-water system, or a clean drip setup using water as the primary root-zone medium, start with Bionova Hydro Supermix. Hydro plants have little buffer around the roots, so consistency matters. Mix the nutrient into the reservoir, confirm EC, adjust pH if needed, and recheck after the solution has circulated. A plant in hydro can respond quickly to a change, which is useful only when the measurements are trustworthy.
Add one mineral when one mineral needs attention
The reason many growers stay with Bionova is straightforward. Once the base nutrient matches the medium, you can correct a specific need with a single-mineral additive instead of replacing the entire feed program. That gives you more control over the input and a cleaner way to evaluate what changed.
Bionova Ca 15 supplies calcium when your water source, crop stage, or growing medium calls for additional calcium support. Bionova MgO 10 is the magnesium option. Bionova K 20 supplies potassium, while Bionova P 20 supplies phosphorus. These are targeted tools. They are not an excuse to add every bottle at once.
Make one change, keep the rest of the routine steady, and give new growth time to tell you whether the adjustment fits. For example, if your coco feed has been stable and you decide to add Ca 15, do not also change the base-nutrient strength, light height, and watering interval that same week. You will not know what caused the result.
When plants move into a more demanding flowering or fruiting phase, Bionova PK 13-14 is a focused phosphorus and potassium additive for that part of the schedule. Use it as directed for the crop stage. It is not a replacement for Soil Supermix, Coco Forte A+B, or Hydro Supermix. The base feed still handles the broader nutrition plan.
Bionova X-cel fits growers looking for a plant stimulator alongside the base feed. Use it with a measured program, not as a rescue bottle for a plant sitting in poor drainage, weak light, or an out-of-range pH. Inputs work best when the basics are already in line.
Measure Before You Correct
A nutrient bottle cannot tell you what is already in your water. That is the meter’s job. For hydroponics and coco, an EC meter is one of the first tools worth keeping near the reservoir. EC shows the overall concentration of dissolved nutrients. It does not identify each mineral, but it does tell you whether your feed is much stronger or weaker than intended.
Use a pH meter alongside it. Most hydro and coco growers work within a pH range that keeps essential elements available to the roots, but the exact target depends on the medium and crop. Check the nutrient solution after mixing, not before. Calibrate the meter on schedule and keep the probe stored correctly. A neglected meter can send a grower chasing a deficiency that is really a bad reading.
For soil growers, pH and EC still matter, though they are usually checked less often than in a recirculating reservoir. If a houseplant or container vegetable has been fed consistently but new growth is off, test the water going in before buying more additives. Water quality is part of the feeding plan.
Build the Indoor Garden Around the Plants
Nutrients work only as well as the environment allows. An indoor lettuce shelf needs an LED grow light that covers the full tray area, not a bright spot in the center with dim corners. Basil and microgreens need even canopy coverage. Tomatoes, bell peppers, cucumbers, and strawberries under lights need enough vertical room to grow and enough airflow to keep the canopy from becoming crowded.
Choose a grow tent when you need to contain light, organize equipment, and maintain a defined indoor growing area. Match the tent footprint to the number of plants and the light coverage, not to the biggest tent that will fit in the room. A smaller tent with workable access, proper light spacing, and room for watering is easier to manage than a packed tent where you cannot reach the back plants.
For shelf gardens and compact hydro systems, keep the layout simple. Put seed trays, reservoirs, and nutrient bottles where spills can be handled easily. Keep electrical connections away from water. Make enough room to lift a light, inspect roots, and take a meter reading without moving the entire garden.
Water the Root Zone, Not the Schedule
Irrigation parts become useful when hand watering starts to create inconsistency. A small drip system can deliver the same amount of nutrient solution to each coco container. Tubing, fittings, emitters, and a timer let you set a repeatable routine, then adjust it based on plant size, runoff, and how fast the medium dries.
The trade-off is that automation needs inspection. Check emitters for clogs, confirm every plant receives water, and look for leaks after changing a fitting. In coco, frequent watering may fit an established plant well, while a newly rooted plant may need a gentler approach. In soil, watering too often can keep the root zone too wet. There is no useful timer setting without considering the container, medium, plant size, temperature, and light level.
For hydroponic systems, inspect reservoir level, water temperature, and EC regularly. Keep the reservoir covered from light and clean equipment between runs. The goal is not to make the system complicated. The goal is to make it repeatable enough that a change in the plant gives you useful information.
Buy the Next Piece That Removes a Guess
A focused online grow store should help you avoid buying the same category twice. If you have healthy seedlings under a suitable LED light but are mixing nutrients without measurements, the next purchase is a reliable pH or EC meter. If the water tests well but your coco containers dry at different rates, the next piece may be irrigation parts. If your current base nutrient does not match the medium, start there before adding stimulators or single minerals.
Begin with the Bionova base feed that fits your root zone, then add only the tools that remove the next guess in your garden. That is how a small herb shelf, a tomato tent, or a hydroponic lettuce system stays manageable as it grows.

