April Spring Sale

All Online Products – 20% Off for April


April Sale for Online Products!

Spring is in the air and its planting time!

For April, all of our online products are 20% off! Use the code APRIL at checkout. If you Custom GP label

have issues at checkout, contact me at Bill@Custombio.biz.

Just so we’re clear this sale includes ALL of our online products; Biofertilizers, septic products, and Biota Max ™.

Biota Max

Biota Max™ is great for home gardens. Biota Max is a small effervescent tablet containing billions of beneficialmicroorganisms. Each tablet treats 1/4 acre.

Biota Max

Custom GP

Custom GP is a biological soil amendment containing 4 strains of beneficial soil Trichoderma. Custom GP helps inprove soil conditions by increasing the population of beneficial soil microorganisms.

Septic Fizzytabs –

Septic Fizzytabs are a once a month septic tank treatment. Keep your septic system running properly – use septic fizzytabs!

Other Biofertilizers

Here’s a link to a list of all of our biofertilizers.

Other Custom Products

Here’s a link to all of our products.












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