Nutrient Calculator

Think of the Nutrient Calculator as your grow-room crystal ball. Punch in a few numbers and boom, you’ll know exactly how much feed you need for the whole run.

No more guessing & over-buying, plan like a pro, save some cash, and keep your grow stress-free.

Enter your tank size, how often you feed your plants, how often you refill your tank, and how many weeks you’ll be feeding and our calculator will work out the rest!

Grow details

Tank / reservoir size (L) How much water your tank holds when completely full.

Feeds per week How many times you feed the plants each week.

Weeks of feed Number of weeks you’ll be feeding

Tank refills per week How many times per week you completely refill and remix your tank.

Extra margin / run-off (%) Optional – add a buffer for waste, run-off, flushing, etc.

Feed / shot size

Feed / shot size per plant (ml) How much mixed feed you give to one plant in a single feed.

Number of plants

Nutrient strength & cost (optional)

Feed strength (ml per L) Your nutrient dosage, for example 2 ml per L.

Bottle size (ml) e.g. 1000 for 1L, 5000 for 5L.

Cost per bottle Enter the price of the product.

Results

Based on the total weeks of feed

Total number of feeds

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Total amount of mixed feed per plant

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Total amount of mixed feed for all plants

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Total feed mixed

Based on tank size, refills per week, weeks of feed and extra % for run-off.

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Total nutrient used

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Bottles required

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Total nutrient cost for this period

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Approx cost per plant (full run)

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This is a planning tool only. Always follow the feeding charts and instructions for your specific nutrient line and growing method.